S. Agabegi - E. Agabegi, Lippincott

$60.00

Francisco A. Orduña P., Diaz de Santos

$36.00

Bezares, Mcgraw Hill

$36.00

M. Nordin - V. Frankel, Lippincott

$96.00

Cassimeris

$102.00

Alexandro Bonifaz, Mcgraw Hill

$60.00

D. Nicoll - C. Mark, Mcgraw Hill

$61.89

Julio Sepulvedad S., Mcgraw Hill

$40.80

A. Herrera - M. Granados, Mcgraw Hill

$61.89

Leonard Crowley, Mcgraw Hill

$68.40

Mario A. Hernandez O., Mcgraw Hill

$39.60

$8.40

Trujillo - Becerra- Rivas, Mcgraw Hill

$111.48

D. Cline - O. Ma -, Mcgraw Hill

$134.40

Linda E. Muños Espinosa, Mcgraw Hill

$144.00