0894950304
Barnes, Gregory Allen
1984
Philadelphia
ISI PRESS
Curry, Dean
Washington
United States Information Agency
București
Editura tehnică
9780721408286
Baum, Lyman Frank
Loughborough
Ladybird
221805891X
Bescherelle, Louis Nicolas
Paris
Librairie Hatier
Bucuresti
Editura Tehnică
Institutul Român de Standardizare