Esp. y Mgs. Aura M. Parra, Luz

$8.30

Lynn S. Bickley, Lippincott

$125.12

Julio Sepulvedad S., Mcgraw Hill

$40.80

R. Zane - J. Kosowsky, Lippincott

$55.20

Burke A. Cunha, Mcgraw Hill

$30.00

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

$46.80

Salvador Zubiran, Mcgraw Hill

$67.20

Maria A. Obando, Ula

$12.00

Fernando Guzman Toro, Vadell Hermanos

$14.40

Trujillo - Becerra- Rivas, Mcgraw Hill

$111.48

Longo - Fauci - Kasper, Mcgraw Hill

$72.00

$8.40

R. Baldor - A. Ehrlich, Lippincott

$156.00

C. Stone - R. Humphries, Mcgraw Hill

$108.00

G. Frendl - R. Urman, Lippincott

$54.39