G. Frendl - R. Urman, Lippincott

$54.39

J. Romero - G. Tena, Mcgraw Hill

$48.00

Jose F. Gonzalez, Mcgraw Hill

$45.60

C. Stone - R. Humphries, Mcgraw Hill

$108.00

J. Cloherty - E. Eichenwa, Lippincott

$84.15

Insp, Mcgraw Hill

$31.20

Mario A. Hernandez O., Mcgraw Hill

$39.60

Rebecca L. Shoener, Mcgraw Hill

$42.00

Bezares, Mcgraw Hill

$36.00

Esp. y Mgs. Aura M. Parra, Luz

$8.30

R. Skeel - S. Khlief, Lippincott

$60.00

Kasper - Braunwald y Otro, Mcgraw Hill

$185.22

Fernando Guzman Toro, Vadell Hermanos

$14.40

A. Herrera - M. Granados, Mcgraw Hill

$61.89

S. Agabegi - E. Agabegi, Lippincott

$60.00