Fernando Guzman Toro, Vadell Hermanos

$14.40

D. Cline - O. Ma -, Mcgraw Hill

$134.40

T. Browne - G. Holmes, Lippincott

$60.00

Joseph E. Muscolino, Lippincott

$69.60

Lynn S. Bickley, Lippincott

$125.12

$8.40

Francisco A. Orduña P., Diaz de Santos

$36.00

Rodolfo Rodriguez C., Mcgraw Hill

$49.20

Leonard Crowley, Mcgraw Hill

$68.40

J. Garcia - J. Lopez, Mcgraw Hill

$56.40

John T. Daugirdas, Lippincott

$86.40

J. Fuente - G. Heinze, Mcgraw Hill

$30.00

Alexandro Bonifaz, Mcgraw Hill

$60.00

Linda E. Muños Espinosa, Mcgraw Hill

$144.00

G. Rodriguez - J. Vaquero, Diaz de Santos

$63.60