Jose Peña Solis, Paredes
$10.03
Gaceta N. 6.667, Ml, C.a.
$6.00
Gaceta Nº 38.654, Njr
$1.00
Fernando Villasmil B., Libreria Europa
$6.00
W. Smith - J. Hashemi, Mcgraw Hill
$68.00
Gaceta No. 37.665 04/4/03, la Piedra
$2.00
J. Casal - J. Suarez, Ucab
$8.49
Francisco J. Gonzalez F., Fc Editorial
$30.00
M. Width - T. Reinhard, Lippincott
$25.00