Roberto Arenas, Mcgraw Hill

$62.40

Julio Sepulvedad S., Mcgraw Hill

$40.80

Joseph E. Muscolino, Lippincott

$69.60

C. Braun - C. Anderson, Lippincott

$114.00

D. Fitzgibbon - J. Loeser, Lippincott

$150.00

S. Agabegi - E. Agabegi, Lippincott

$60.00

M. Breskin - K. Dumith, Mcgraw Hill

$69.60

R. Zane - J. Kosowsky, Lippincott

$55.20

T.w. Sadler, Lippincott

$38.40

Insp, Mcgraw Hill

$31.20

B. Shakuntala Baliga, Mcgraw Hill

$108.00

Maria A. Obando, Ula

$12.00

G. Rodriguez - J. Vaquero, Diaz de Santos

$63.60

J. Fuente - G. Heinze, Mcgraw Hill

$30.00

Burke A. Cunha, Mcgraw Hill

$30.00