Gaceta Nº 39.610, la Piedra
$2.50
Bid, Alfaomega
$23.91
Magaly Perretti de Parada, Liber
$6.00
M. Morris Mano - Ch. Kime, Prentice Hall
$22.00
D. Fitzgibbon - J. Loeser, Lippincott
$125.00
Gaceta Nº 39.688, Njr
$2.00
Emilio J. Urbina Mendoza, Funeda
$8.48