J. Fuente - G. Heinze, Mcgraw Hill

$30.00

R. Hyatt - P. Scanlon, Lippincott

$28.20

T.w. Sadler, Lippincott

$38.40

D. Fitzgibbon - J. Loeser, Lippincott

$150.00

Esp. y Mgs. Aura M. Parra, Luz

$8.30

Maria A. Obando, Ula

$12.00

Vicente Ortiz, Mcgraw Hill

$61.89

Jose Saban Ruiz, Diaz de Santos

$96.00

Lynn S. Bickley, Lippincott

$125.12

I. Martin - Lacave, Diaz de Santos

$72.00

Marc S. Sabatine, Lippincott

$45.12

B. Shakuntala Baliga, Mcgraw Hill

$108.00

Trujillo - Becerra- Rivas, Mcgraw Hill

$111.48

Salvador Zubiran, Mcgraw Hill

$67.20

Roberto Arenas, Mcgraw Hill

$62.40