Jose F. Gonzalez, Mcgraw Hill

$45.60

Jose Saban Ruiz, Diaz de Santos

$96.00

T. Browne - G. Holmes, Lippincott

$60.00

Esp. y Mgs. Aura M. Parra, Luz

$8.30

Alexandro Bonifaz, Mcgraw Hill

$60.00

C. Braun - C. Anderson, Lippincott

$114.00

Mario A. Hernandez O., Mcgraw Hill

$39.60

Bezares, Mcgraw Hill

$36.00

Marc S. Sabatine, Lippincott

$45.12

J. Kassirer - J. Wong, Lippincott

$88.80

John T. Daugirdas, Lippincott

$86.40

Lynn S. Bickley, Lippincott

$125.12

R. Skeel - S. Khlief, Lippincott

$60.00

Cassimeris

$102.00

Linda E. Muños Espinosa, Mcgraw Hill

$144.00