G. Rodriguez - J. Vaquero, Diaz de Santos

$63.60

J. Romero - G. Tena, Mcgraw Hill

$48.00

Rodolfo Rodriguez C., Mcgraw Hill

$49.20

Burke A. Cunha, Mcgraw Hill

$30.00

M. Breskin - K. Dumith, Mcgraw Hill

$69.60

R. Baldor - A. Ehrlich, Lippincott

$156.00

C. Dieguez - R. Yturriaga, Mcgraw Hill

$48.00

Cassimeris

$102.00

Fernando Guzman Toro, Vadell Hermanos

$14.40

I. Martin - Lacave, Diaz de Santos

$72.00

$8.40

R. Zane - J. Kosowsky, Lippincott

$55.20

Mario A. Hernandez O., Mcgraw Hill

$39.60

R. Skeel - S. Khlief, Lippincott

$60.00

Patrick W. Tank, Lippincott

$42.00