Oral hygiene : a symposium held at Malmo, (Sweden, May 14th-15th, 1971)/ edited by Asger Frandsen
Munksgaard, 1971
 Buku Teks SO
Management and corporations 1985 : a symposium held on the occasion of the tenth anniversary of the Graduate School of Industrial Administration, Carnegie Institute of Technology / edited by Melvin Anshen, George Leland Bach
edited by Melvin Anshen and George Leland Bach
McGraw-Hill, 1960
 Buku Teks SO
Long-term changes in coastal benthic communities : proceedings of a symposium, held in Brussels, Belgium, December 9-12, 1985 / edited by C. Heip, B.F. Keegan, and J.R. Lewis
edited by C. Heip, B.F. Keegan, and J.R. Lewis
DR. W. Junk Pub., 1987
 Buku Teks SO
Methods of measurements and results of lower ionosphere structure : proceedings of the symposium held in Constance, F.R.G. / Edited by K. Rawer
Akademie-Verlag, 1974
 Buku Teks SO
Large rock caverns : proceedings of the International Symposium (Finland: 25-28, 1986); Vol.3
edited by K.H.O. Saari
Pergamon Press, 1986
 Buku Teks SO