Leonard Crowley, Mcgraw Hill

$68.40

Burke A. Cunha, Mcgraw Hill

$30.00

D. Fitzgibbon - J. Loeser, Lippincott

$150.00

F.j. Blanco - J.d. Cañete, Panamericana

$46.80

D. Nicoll - C. Mark, Mcgraw Hill

$61.89

J. Kassirer - J. Wong, Lippincott

$88.80

Jose F. Gonzalez, Mcgraw Hill

$45.60

Carlos A. Roldan, Lippincott

$135.60

C. Braun - C. Anderson, Lippincott

$114.00

P. Paulman - A. Paulman, Wolters Klumer

$82.09

E. Mayeaux - J. Cox, Lippincott

$170.40

Francisco A. Orduña P., Diaz de Santos

$36.00

O. Quiros - J. Quiros, Amolca

$50.40

Salvador Zubiran, Mcgraw Hill

$67.20

S. Mcphee - M. Papadakis, Mcgraw Hill

$93.60