The theory of machines and mechanisms: proceedings of the 7th world congress, 17-22 September 1987, Sevilla, Spain
editor, Emilio Bautista, Javier Garcia-Lomas, Alfredo Navarro
Pergamon Press, 987
 Buku Referensi
The theory of machines and mechanisms: proceedings of the 7th world congress, 17-22 September 1987, Sevilla, Spain
editor, Emilio Bautista, Javier Garcia-Lomas, Alfredo Navarro
Pergamon Press, 1987
 Buku Referensi
Antibiotic prophylaxis in surgery : 32nd World Congress of Surgery workshop, September 24th, 1987, Sydney, Australia /​ edited by K. Hell and M. Hobsley.
Switzerland : International Society of Surger, 1988
 Buku Teks SO
Control science and technology for the program of society : proceedings of the eighth triennial world congress of the international federation of automatic control Kyoto, Japan, 24-28 August 1981 Vol. 1: Control theory
edited by H. Akashi
Pergamon Press, 1982
 Buku Teks
Annual report 1987 of the librarian of congress
Library of Conggress 1988, 1988
 Buku Teks SO