$6.00

Gaceta Nº 5.071, la Piedra

$1.00

Curt Simmons, Mcgraw Hill

$20.00

Shannon Ethridge, Unilit

$6.77

Gaceta No. 37.665 04/4/03, la Piedra

$2.00

Gaceta Nº 37.332, Njr

$4.00

Emilio Calvo Baca, Ediciones Libra

$17.70

Alberto Arteaga Sanchez, Academia de Ciencias

$6.50

Gaceta Nº 4.817, Njr

$2.00

Gaceta N° 40.127, Njr

$3.00

Armando. Info, la Hoja Del Norte

$10.00

Gilbert A. Churchill Jr, Thomson

$35.00

Jose Hernan Albornoz, Vadell Hermanos

$5.00

Gaceta Nº 25.856, Njr

$2.00

Gaceta Nº 40.281, Njr

$1.40

Lynda Juall Carpentino, Lippincott

$36.00

L. Speroff - M. Fritz, Lippincott

$238.40

Horacio Garcia Belsunce, Depalma

$9.26

Gaceta N. 6.667, Ml, C.a.

$6.00

Varios, Funeda

$7.00

D. Gardner - D. Shoback, Mcgraw Hill

$140.00

Gilber Caro - M. Llorens, Libros Marcados

$6.00

Gaceta No. 6.156, Njr

$2.30

W. Sanguineti - C. Carbal, Ucab

$7.91

Ivan Mirabal Rendon, Universitas

$10.00

S. Tellez - M. Garcia, Mcgraw Hill

$51.00

Mario A. Hernandez O., Mcgraw Hill

$33.00

$4.00

V. Mir - D. Corominas, Narcea

$5.00

Mauricio Rodriguez F., Livrosca

$11.58