Adriana Torres H., Trillas
$10.40
Sue Kay - Vaughan Jones, Macmillan
$1.00
Gaceta No. 6.156, la Piedra
$0.83
Miguel Angel Ruiz Jimenes, Diaz de Santos
$26.00
W. Bauer - G. Westfall, Mcgraw Hill
$40.00
Gaceta Nº 40.358, Njr
$1.40
Bid, Alfaomega
$23.91
S Berti - S Cordoliani, Fundacion Empresas Polar
$2.25