J. Vargas P. - P. Garcia, Romor
$7.13
A. Chiang y K. Wainwright, Mcgraw Hill
$46.00
Gaceta Nº 38.408, R Graficas
$2.00
F. Sim - P. Choong, Lippincott
$226.00
Margarita A. de Sanchez, Trillas
$25.00
Gaceta Nº 39.610, la Piedra
$2.50
Pablo Corral Anuarbe, Mcgraw Hill
$41.52
Gaceta No. 37.665 04/4/03, la Piedra
$2.00