R. Hyatt - P. Scanlon, Lippincott

$28.20

Julio Sepulvedad S., Mcgraw Hill

$40.80

John T. Daugirdas, Lippincott

$86.40

G. Rodriguez - J. Vaquero, Diaz de Santos

$63.60

O. Quiros - J. Quiros, Amolca

$50.40

Tintinalli, Mcgrawhill

$93.60

J. Romero - G. Tena, Mcgraw Hill

$48.00

Linda E. Muños Espinosa, Mcgraw Hill

$144.00

D. Cline - O. Ma -, Mcgraw Hill

$134.40

Jose Saban Ruiz, Diaz de Santos

$96.00

M. Breskin - K. Dumith, Mcgraw Hill

$69.60

Miriam Guana, Mcgraw Hill

$61.89

A. Herrera - M. Granados, Mcgraw Hill

$61.89

Alexandro Bonifaz, Mcgraw Hill

$60.00

D. Fitzgibbon - J. Loeser, Lippincott

$150.00