Roberto Arenas, Mcgraw Hill

$62.40

D. Fitzgibbon - J. Loeser, Lippincott

$150.00

Lynn S. Bickley, Lippincott

$125.12

Trujillo - Becerra- Rivas, Mcgraw Hill

$111.48

T. Browne - G. Holmes, Lippincott

$60.00

Cassimeris

$102.00

Joseph E. Muscolino, Lippincott

$69.60

F.j. Blanco - J.d. Cañete, Panamericana

$46.80

D. Cline - O. Ma -, Mcgraw Hill

$134.40

Bezares, Mcgraw Hill

$36.00

Burke A. Cunha, Mcgraw Hill

$30.00

P. Paulman - A. Paulman, Wolters Klumer

$82.09

R. Skeel - S. Khlief, Lippincott

$60.00

Insp, Mcgraw Hill

$31.20

Esp. y Mgs. Aura M. Parra, Luz

$8.30