Paterson, David Douglas. Statistical technique in agricultural research : a simple exposition of practice and procedure in biometry - New York : McGraw-Hill, 1939 - 263 p. : ilus. LCCN: 37601 Subjects--Topical Terms: Agricultura--Estadisticas.BiometrÃa.EstadÃstica. Dewey Class. No.: 311.2 / P38