R. Zane - J. Kosowsky, Lippincott

$55.20

Esp. y Mgs. Aura M. Parra, Luz

$8.30

C. Dieguez - R. Yturriaga, Mcgraw Hill

$48.00

D. Cline - O. Ma -, Mcgraw Hill

$134.40

Francisco A. Orduña P., Diaz de Santos

$36.00

Rodolfo Rodriguez C., Mcgraw Hill

$49.20

Jose F. Gonzalez, Mcgraw Hill

$45.60

Julio Sepulvedad S., Mcgraw Hill

$40.80

W. Smith - T. Farrell, Wolters Kluwer

$90.00

P. Paulman - A. Paulman, Wolters Klumer

$82.09

Jose Saban Ruiz, Diaz de Santos

$96.00

S. Joo - A. Kau, Lippincott

$69.12

Curtis M. Rimmerman, Lippincott

$75.60

R. Baldor - A. Ehrlich, Lippincott

$156.00

R. Walls - M. Murphy, Lippincott

$50.58