Burke A. Cunha, Mcgraw Hill

$30.00

D. Cline - O. Ma -, Mcgraw Hill

$134.40

Gerard M. Doherty, Mcgraw Hill

$117.60

Francisco A. Orduña P., Diaz de Santos

$36.00

Rebecca L. Shoener, Mcgraw Hill

$42.00

Bezares, Mcgraw Hill

$36.00

M. Breskin - K. Dumith, Mcgraw Hill

$69.60

S. Mcphee - M. Papadakis, Mcgraw Hill

$93.60

G. Frendl - R. Urman, Lippincott

$54.39

R. Hyatt - P. Scanlon, Lippincott

$28.20

Julio Sepulveda Saavedra, Mcgraw Hill

$108.00

John T. Daugirdas, Lippincott

$86.40

J. Fuente - G. Heinze, Mcgraw Hill

$30.00

Leonard Crowley, Mcgraw Hill

$68.40

Fernando Guzman Toro, Vadell Hermanos

$14.40