Roberto H. Frank, Mcgraw Hill

$32.00

Anil K. Lalwani, Macgraw Hill

$48.00

Aura Marina Bavaresco, la Universidad Del Zulia

$7.50

Gaceta Nº 41.002, Ml

$10.00

Ronald Chacin Fuenmayor, Luz

$6.00

Francisco J. Gonzalez F., Fc Editorial

$30.00

Gaceta Nº 40.109, Njr

$2.30

Trujillo - Becerra- Rivas, Mcgraw Hill

$92.90

J. I. Urquijo - J. Bonill, Ucab

$10.14

Peña Anais, Grijalbo

$6.00

Ricardo Bulmez, Urania

$6.00

Gaceta Nº 39.390, Njr

$1.00

Miriam Guana, Mcgraw Hill

$51.58

Alberto Arteaga Sanchez, Academia de Ciencias

$6.50

Damaso Jimenez

$2.50

Gaceta Nº 35.180, Njr

$1.00

I. Fernandez - A. Camacho, Diaz de Santos

$45.00

Gaceta N. 35077, Dabosan

$2.00

Jose Machillanda

$4.00

W. Hurley - C. Denegar, Lippincott

$73.57

Sylvia Escott-stump, Lippincot

$50.15

Rafael Tomas Caldera, Cyngular

$10.00

Antonio Perez Esclarin, San Pablo

$6.08

Rob Mcbride, Jupiter

$6.00

Dr. Lair Ribeiro, Urano

$6.50

M. Joan Gerads, San Pablo

$2.50

Agustin Reyes Ponce, Limusa

$23.00

Antonio Herrera-vaillant, Ariel

$10.00

W. Bauer - G. Westfall, Mcgraw Hill

$82.00

Walter Riso, Planeta

$10.00