R. Hyatt - P. Scanlon, Lippincott

$28.20

Lynn S. Bickley, Lippincott

$125.12

G. Frendl - R. Urman, Lippincott

$54.39

Patrick W. Tank, Lippincott

$42.00

R. Walls - M. Murphy, Lippincott

$50.58

S. Agabegi - E. Agabegi, Lippincott

$60.00

Trujillo - Becerra- Rivas, Mcgraw Hill

$111.48

Kasper - Braunwald y Otro, Mcgraw Hill

$185.22

C. Dieguez - R. Yturriaga, Mcgraw Hill

$48.00

R. Zane - J. Kosowsky, Lippincott

$55.20

R. Skeel - S. Khlief, Lippincott

$60.00

D. Cline - O. Ma -, Mcgraw Hill

$134.40

Vicente Ortiz, Mcgraw Hill

$61.89

Cassimeris

$102.00

Rodolfo Rodriguez C., Mcgraw Hill

$49.20