A. T. de Perez - E. Perez, Larense
$6.00
M. Tamariz - N. Baldera, Saber
$5.00
Cesar Augusto Montoya, Alvaro Nora
$17.17
J.m. Smith - H. Van Ness, Mcgraw Hill
$89.00
Cesar Borobia, Elsevier
$29.20
Piergiorgio Corbetta, Mcgraw-hill
$38.00
C. Burrus - J. Mcclellan, Prentice Hall
$12.28