D. Eiteman - A. Stonehill, Prentice Hall
$35.00
Gaceta No. 6.209, Ml, C.a.
$1.50
Teddy Milano, Panapo
$11.30
Dr. Ing. Harry Osers, Refolit C.a.
$12.28
J. Badillo-r. Rodriguez, Limusa Noriega Editores
$28.00
Jesus R. Torres Pertuz, Paredes
$9.26
Fidias G. Arias, Episteme
$8.04