C. Stone - R. Humphries, Mcgraw Hill

$90.00

D. Cline - O. Ma -, Mcgraw Hill

$112.00

R. Walls - M. Murphy, Lippincott

$42.15

A. Herrera - M. Granados, Mcgraw Hill

$51.58

Mario A. Hernandez O., Mcgraw Hill

$33.00

J. Fuente - G. Heinze, Mcgraw Hill

$25.00

Carlos A. Roldan, Lippincott

$113.00

Trujillo - Becerra- Rivas, Mcgraw Hill

$92.90

R. Baldor - A. Ehrlich, Lippincott

$130.00

Curtis M. Rimmerman, Lippincott

$63.00

R. Skeel - S. Khlief, Lippincott

$50.00

Roberto Arenas, Mcgraw Hill

$52.00

O. Quiros - J. Quiros, Amolca

$42.00

T.w. Sadler, Lippincott

$32.00

Patrick W. Tank, Lippincott

$35.00