R. Baldor - A. Ehrlich, Lippincott

$156.00

Curtis M. Rimmerman, Lippincott

$75.60

Burke A. Cunha, Mcgraw Hill

$30.00

Lynn S. Bickley, Lippincott

$125.12

Esp. y Mgs. Aura M. Parra, Luz

$8.30

Insp, Mcgraw Hill

$31.20

Schwartz y Otros, Mcgraw Hill

$62.40

B. Shakuntala Baliga, Mcgraw Hill

$108.00

C. Dieguez - R. Yturriaga, Mcgraw Hill

$48.00

Jose F. Gonzalez, Mcgraw Hill

$45.60

C. Braun - C. Anderson, Lippincott

$114.00

Miriam Guana, Mcgraw Hill

$61.89

Julio Sepulveda Saavedra, Mcgraw Hill

$108.00

Carlos A. Roldan, Lippincott

$135.60

J. Romero - G. Tena, Mcgraw Hill

$48.00