Biggs, Huntley H. The Puebla project: progress and problems (Photocopy) / Huntley H. Biggs - Colorado : Colorado State University , 1972 - v, 27p. : ill. ; 27 cm. - Photocopy of USAID Mf. no. PB-224 295 . Includes bibliographical references. Subjects--Topical Terms: Agricultural economics--Mexico Dewey Class. No.: 630 / BIG