United States. General Accounting Office
Lee, R. G.
Peter Chamberlain
Paladin Press
Fred Brown
Zhenduo Song
G. Dmitrieff
Marinescu, Ion col. ing.
Wolfgang Fleischer
Bruce Quarry
Tymoteusz Pawlowski
Ragnar Benson
R. G. Lee
Manojlo Babić
L. V. Balabanov
Rostislav Dmitrievic Angel £skij