O. Quiros - J. Quiros, Amolca

$50.40

Mario A. Hernandez O., Mcgraw Hill

$39.60

C. Braun - C. Anderson, Lippincott

$114.00

Rebecca L. Shoener, Mcgraw Hill

$42.00

R. Hyatt - P. Scanlon, Lippincott

$28.20

Fernando Guzman Toro, Vadell Hermanos

$14.40

P. Paulman - A. Paulman, Wolters Klumer

$82.09

Lynn S. Bickley, Lippincott

$125.12

E. Mayeaux - J. Cox, Lippincott

$170.40

G. Rodriguez - J. Vaquero, Diaz de Santos

$63.60

R. Skeel - S. Khlief, Lippincott

$60.00

Julio Sepulvedad S., Mcgraw Hill

$40.80

J. Garcia - J. Lopez, Mcgraw Hill

$56.40

Joseph E. Muscolino, Lippincott

$69.60

Schwartz y Otros, Mcgraw Hill

$62.40