TY - BOOK AU - Hervé, Francisco AU - Haller, Miguel J. F. AU - Duhart, Paul AU - Fanning, Mark TI - Shrimp U-PG ages of detrital zircons from cushamen and Esquel formations, north patagonian massif, Argentina: geological implications KW - ARGENTINA KW - CHUBUT KW - PATAGONIA KW - Esquel ER -