Jose F. Gonzalez, Mcgraw Hill

$45.60

Lynn S. Bickley, Lippincott

$125.12

J. Cloherty - E. Eichenwa, Lippincott

$84.16

Thomas M. de Fer, Lippincott

$93.60

Rodolfo Rodriguez C., Mcgraw Hill

$49.20

R. Hyatt - P. Scanlon, Lippincott

$28.20

S. Mcphee - M. Papadakis, Mcgraw Hill

$93.60

Gerard M. Doherty, Mcgraw Hill

$117.60

Julio Sepulveda Saavedra, Mcgraw Hill

$108.00

I. Martin - Lacave, Diaz de Santos

$72.00

Carlos A. Roldan, Lippincott

$135.60

$8.40

John T. Daugirdas, Lippincott

$86.40

C. Dieguez - R. Yturriaga, Mcgraw Hill

$48.00

Roberto Arenas, Mcgraw Hill

$62.40