Pauta pragmática Luis Martines, PEFE, Prutting y Tattershall

LUIS MARTINEZ http://www.megaupload.com/?d=FVADTAQY
PEFE http://www.megaupload.com/?d=33IH93MB
Prutting y Tattershal: http://www.megaupload.com/?d=6YVYMBC2