Jose F. Gonzalez, Mcgraw Hill

$45.60

Fernando Guzman Toro, Vadell Hermanos

$14.40

D. Cline - O. Ma -, Mcgraw Hill

$134.40

E. Mayeaux - J. Cox, Lippincott

$170.40

O. Quiros - J. Quiros, Amolca

$50.40

Bezares, Mcgraw Hill

$36.00

Roberto Arenas, Mcgraw Hill

$62.40

S. Agabegi - E. Agabegi, Lippincott

$60.00

Marc S. Sabatine, Lippincott

$45.12

$8.40

Burke A. Cunha, Mcgraw Hill

$30.00

Tintinalli, Mcgrawhill

$93.60

C. Dieguez - R. Yturriaga, Mcgraw Hill

$48.00

J. Cloherty - E. Eichenwa, Lippincott

$84.15

J. Garcia - J. Lopez, Mcgraw Hill

$56.40