M. Yarnell - Rene R. Yarn, Tm Prima

$7.29

Johnson Leenders Flynn, Mcgarw Hill

$48.26

L. Puchol - I. Puchol, Diaz de Santos

$24.00

Salomon - Schell, Mcgraw Hill

$30.00

Roger G. Schroeder, Mcgraw Hill

$56.40

Bradt, Mcgraw Hill

$18.00

$7.20

Araceli Alvarado Falcon, Mcgraw Hill

$75.60

Gareth Jones - Jennifer M, Mcgraw Hill

$42.00

J. Lopera, Intermedio

$8.35

Rafael E. Davila Cardenas, Ucv

$14.73

S. Hernandez y Rodriguez, Mcgraw Hill

$32.40

H. Koontz - H. Weihrich, Mcgraw Hill

$85.20

Javier Benavides Pañeda, Mcgraw Hill

$42.00

Humberto Gutierrez Pulido, Mcgraw Hill

$42.00