Elliott, Fred C. Advances in production and utilization of quality cotton; principles and practices /por Fred C. Elliott, Marvin Hoover y Walter K., Jr. Porter - Ames : Iowa State University, 1968 - 532 p. : ilus., mapas LCCN: 33284 Subjects--Topical Terms: Algodon. Dewey Class. No.: 633.51 / E5