TY - BOOK T1 - Manual of Plant Diseases A1 - Head, F. B. PP - New York PB - McGraw-Hill Book Co. YR - 1933 ED - 2d. ed. UL - http://vufind10-pruebas.sigbunlp.bibliotecas.unlp.edu.ar/Record/dun.44636 OP - 953 ER -