Contribution to SIPRI Yearbooks

Co-author with Ian Anthony, Peter D. Wezeman and Siemon T. Wezeman, Register of the trade in and licensed production of major conventional weapons in industrialized and developing countries, 1996, SIPRI Yearbook 1997, Disarmament and International Security, pp 295-344

Co-author with Ian Anthony, Peter D. Wezeman and Siemon T. Wezeman, Tables of the volume of the trade in major conventional weapons, 1987-96 SIPRI Yearbook 1997, Disarmament and International Security, pp 292-294

Co-author with Ian Anthony, Peter D. Wezeman and Siemon T. Wezeman, Register of the trade in and licensed production of major conventional weapons in industrialized and developing countries, 1995, SIPRI Yearbook 1996, Disarmament and International Security, pp 484-486

Co-author with Ian Anthony, Peter D. Wezeman and Siemon T. Wezeman, Tables of the volume of the trade in major conventional weapons, 1986-95 SIPRI Yearbook 1996, Disarmament and International Security, pp 484-486

Co-author with Ian Anthony, Peter D. Wezeman and Siemon T. Wezeman, Register of the trade in and licensed production of major conventional weapons in industrialized and developing countries, 1994, SIPRI Yearbook 1995, Armament, Disarmament and International Security, pp 513-555

Co-author with Ian Anthony, Peter D. Wezeman and Siemon T. Wezeman, Tables of the volume of the trade in major conventional weapons, 1985-94 SIPRI Yearbook 1995, Armament, Disarmament and International Security, pp 510-512

Co-author with Elisabeth Sköns, Peter D. Wezeman and Siemon T. Wezeman, The 100 largest arms-producing companies, 1993, SIPRI Yearbook 1995, Armament, Disarmament and International Security, pp 484-490

Co-author with Ian Anthony, Paul Claesson, Elisabeth Sköns and Siemon T. Wezeman, Register of the trade in and licensed production of major conventional weapons in industrialized and developing countries, 1993, 1984-93, SIPRI Yearbook 1994, pp 513-564

Co-author with Ian Anthony, Paul Claesson, Elisabeth Sköns and Siemon T. Wezeman, Tables of the volume of the trade in major conventional weapons, 1984-93, SIPRI Yearbook 1994, pp 510-512

Co-author with Ian Anthony, Paul Claesson, Elisabeth Sköns and Siemon T. Wezeman, The 100 largest arms-producing companies, 1992, SIPRI Yearbook 1994, pp 503-509

Co-author with Ian Anthony, Paul Claesson, Elisabeth Sköns and Siemon T. Wezeman, The 100 largest arms-producing companies, 1991, SIPRI Yearbook 1993, World Armament and Disarmament pp 469-475

Co-author with Ian Anthony, Paul Claesson, Elisabeth Sköns and Siemon T. Wezeman, Tables of the value of trade in major conventional weapons, SIPRI Yearbook 1993, World Armament and Disarmament pp 476-482

Co-author with Ian Anthony, Paul Claesson, Elisabeth Sköns and Siemon T. Wezeman, Register of the trade in and licensed production of major conventional weapons in industrialized and developing countries,1992, SIPRI Yearbook 1993, World Armament and Disarmament pp 483-520

Co-author with Ian Anthony, Agnés Courades Allebeck Paolo Miggiano, Elisabeth Sköns and Herbert Wulf, Register of the trade in and licensed production of major conventional weapons in industrialized and developing countries, 1991, SIPRI Yearbook 1992, World Armament and Disarmament pp 315-360

Co-author with Ian Anthony, Agnés Courades Allebeck Paolo Miggiano, Elisabeth Sköns and Herbert Wulf, Tables of the value of trade in major conventional weapons, SIPRI Yearbook 1992, World Armament and Disarmament pp 308-314

Co-author with Ian Anthony, Agnés Courades Allebeck Paolo Miggiano and Herbert Wulf: The trade in major conventional weapons, SIPRI Yearbook 1991, World Armament and Disarmament pp 197-280

Co-author with Ian Anthony, Agnés Courades Allebeck Espen Gullikstad and Herbert Wulf: Arms Production, , SIPRI Yearbook 1990, World Armament and Disarmament, pp 317-356

Co-author with Saadet Deger, Somnath Sen and Rita Tullberg, Tables of world military expenditure, 1979-88, SIPRI Yearbook 1989, World Armament and Disarmament, pp 178-194

Co-author with Rita Tullberg, SIPRI military expenditure data, SIPRI Yearbook 1988, World Armament and Disarmament, pp 129-174

Co-author with Rita Tullberg, World military expenditure, SIPRI Yearbook 1987, World Armament and Disarmament, pp 119-180

Tables of world military expenditure, 1976-85, SIPRI Yearbook 1986, World Armament and Disarmament, pp 231-248

Co-author with Michael Brzoska, Evamaria Loose-Weintraub, Elisabeth Sköns, Rita Tullberg and Gordon Adams, World military expenditure and arms production, SIPRI Yearbook 1985, World Armament and Disarmament, pp 223-286