G. Frendl - R. Urman, Lippincott

$45.33

Francisco A. Orduña P., Diaz de Santos

$30.00

T. Browne - G. Holmes, Lippincott

$50.00

J. Garcia - J. Lopez, Mcgraw Hill

$47.00

$7.00

Linda E. Muños Espinosa, Mcgraw Hill

$120.00

J. Cloherty - E. Eichenwa, Lippincott

$70.13

Burke A. Cunha, Mcgraw Hill

$25.00

Lynn S. Bickley, Lippincott

$104.27

Salvador Zubiran, Mcgraw Hill

$56.00

R. Baldor - A. Ehrlich, Lippincott

$130.00

Miriam Guana, Mcgraw Hill

$51.58

D. Nicoll - C. Mark, Mcgraw Hill

$51.58

Patrick W. Tank, Lippincott

$35.00

C. Stone - R. Humphries, Mcgraw Hill

$90.00