R. Ahumada - A.montenegro, Trillas
$8.75
A. T. de Perez - E. Perez, Larense
$6.00
A. Brewer - R. Chavero, Juridica Venezolana
$2.00
Roberto H. Frank, Mcgraw Hill
$32.00
Fernandez, Ra-ma
$47.57
Gaceta No. 39.019, Njr
$2.00
Oscar Hernandez Alvarez, Aiadtss
$7.00
W. Smith - J. Hashemi, Mcgraw Hill
$68.00
Gaceta Nº 5.991, Njr
$2.00
Allan Breuwer Carias, Juridica Venezolana
$7.00