D. Nicoll - C. Mark, Mcgraw Hill

$51.58

Rebecca L. Shoener, Mcgraw Hill

$35.00

C. Dieguez - R. Yturriaga, Mcgraw Hill

$40.00

Rodolfo Rodriguez C., Mcgraw Hill

$41.00

Jose F. Gonzalez, Mcgraw Hill

$38.00

F.j. Blanco - J.d. Cañete, Panamericana

$39.00

John T. Daugirdas, Lippincott

$72.00

Schwartz y Otros, Mcgraw Hill

$52.00

J. Cloherty - E. Eichenwa, Lippincott

$70.13

Maria A. Obando, Ula

$10.00

Esp. y Mgs. Aura M. Parra, Luz

$6.92

A. Herrera - M. Granados, Mcgraw Hill

$51.58

G. Rodriguez - J. Vaquero, Diaz de Santos

$53.00

Kasper - Braunwald y Otro, Mcgraw Hill

$154.35

J. Kassirer - J. Wong, Lippincott

$74.00