J. Vargas - P. Garcia, Romor
$7.13
Cesar Borobia, Elsevier
$29.20
K. Lillemoe - W. Jarnagin, Lippincott
$187.00
Gaceta N° 38.536, la Piedra
$2.00
Jesus Mora Contreras, Ula
$7.00
Gaceta Nº 39.668, Njr
$2.00
Milton & Arnold, Mcgraw Hill
$28.00
Piergiorgio Corbetta, Mcgraw-hill
$38.00