Hector Nestor Martinez, Ediciones Macchi
$11.30
Gaceta Nº 39.688, Njr
$2.00
Gaceta N. 6.013, Rgraficas
$2.00
H. Gutierrez-r.de la Vara, Mcgraw Hill
$50.00
Margarita A. de Sanchez, Trillas
$10.00
Gaceta Nº 38.596, Njr
$2.85
I. Zabalza - E. Llera, Fc Editorial
$26.00