Esp. y Mgs. Aura M. Parra, Luz

$8.30

J. Romero - G. Tena, Mcgraw Hill

$48.00

John T. Daugirdas, Lippincott

$86.40

S. Mcphee - M. Papadakis, Mcgraw Hill

$93.60

G. Rodriguez - J. Vaquero, Diaz de Santos

$63.60

Trujillo - Becerra- Rivas, Mcgraw Hill

$111.48

M. Breskin - K. Dumith, Mcgraw Hill

$69.60

R. Walls - M. Murphy, Lippincott

$50.58

Kasper - Braunwald y Otro, Mcgraw Hill

$185.22

S. Agabegi - E. Agabegi, Lippincott

$60.00

J. Garcia - J. Lopez, Mcgraw Hill

$56.40

Julio Sepulvedad S., Mcgraw Hill

$40.80

Cassimeris

$102.00

O. Quiros - J. Quiros, Amolca

$50.40

Roberto Arenas, Mcgraw Hill

$62.40