John T. Daugirdas, Lippincott

$86.40

Alexandro Bonifaz, Mcgraw Hill

$60.00

R. Hyatt - P. Scanlon, Lippincott

$28.20

D. Nicoll - C. Mark, Mcgraw Hill

$61.89

G. Frendl - R. Urman, Lippincott

$54.39

J. Fuente - G. Heinze, Mcgraw Hill

$30.00

D. Fitzgibbon - J. Loeser, Lippincott

$150.00

Gerard M. Doherty, Mcgraw Hill

$117.60

Trujillo - Becerra- Rivas, Mcgraw Hill

$111.48

Lynn S. Bickley, Lippincott

$125.12

G. Rodriguez - J. Vaquero, Diaz de Santos

$63.60

Roberto Arenas, Mcgraw Hill

$62.40

Julio Sepulveda Saavedra, Mcgraw Hill

$108.00

J. Romero - G. Tena, Mcgraw Hill

$48.00

S. Mcphee - M. Papadakis, Mcgraw Hill

$93.60