Thomas M. de Fer, Lippincott

$93.60

Lynn S. Bickley, Lippincott

$125.12

Gerard M. Doherty, Mcgraw Hill

$117.60

$8.40

A. Herrera - M. Granados, Mcgraw Hill

$61.89

C. Stone - R. Humphries, Mcgraw Hill

$108.00

C. Dieguez - R. Yturriaga, Mcgraw Hill

$48.00

E. Mayeaux - J. Cox, Lippincott

$170.40

R. Hyatt - P. Scanlon, Lippincott

$28.20

Mario A. Hernandez O., Mcgraw Hill

$39.60

Bezares, Mcgraw Hill

$36.00

Jose Saban Ruiz, Diaz de Santos

$96.00

Esp. y Mgs. Aura M. Parra, Luz

$8.30

Salvador Zubiran, Mcgraw Hill

$67.20

Tintinalli, Mcgrawhill

$93.60