J. Romero - G. Tena, Mcgraw Hill

$40.00

Miriam Guana, Mcgraw Hill

$51.58

C. Stone - R. Humphries, Mcgraw Hill

$90.00

Julio Sepulvedad S., Mcgraw Hill

$34.00

I. Martin - Lacave, Diaz de Santos

$60.00

Joseph E. Muscolino, Lippincott

$58.00

J. Cloherty - E. Eichenwa, Lippincott

$70.13

Fernando Guzman Toro, Vadell Hermanos

$12.00

Jose F. Gonzalez, Mcgraw Hill

$38.00

Curtis M. Rimmerman, Lippincott

$63.00

Longo - Fauci - Kasper, Mcgraw Hill

$60.00

Thomas M. de Fer, Lippincott

$78.00

Bezares, Mcgraw Hill

$30.00

J. Garcia - J. Lopez, Mcgraw Hill

$47.00

Francisco A. Orduña P., Diaz de Santos

$30.00