Patrick W. Tank, Lippincott

$42.00

Fernando Guzman Toro, Vadell Hermanos

$14.40

Linda E. Muños Espinosa, Mcgraw Hill

$144.00

G. Rodriguez - J. Vaquero, Diaz de Santos

$63.60

Francisco A. Orduña P., Diaz de Santos

$36.00

T. Browne - G. Holmes, Lippincott

$60.00

Curtis M. Rimmerman, Lippincott

$75.60

E. Mayeaux - J. Cox, Lippincott

$170.40

Jose Saban Ruiz, Diaz de Santos

$96.00

Esp. y Mgs. Aura M. Parra, Luz

$8.30

R. Zane - J. Kosowsky, Lippincott

$55.20

Cassimeris

$102.00

I. Martin - Lacave, Diaz de Santos

$72.00

S. Agabegi - E. Agabegi, Lippincott

$60.00

Tintinalli, Mcgrawhill

$93.60