Moyer, J.W. FAO/ibpgr technical guidelines for the safe moveme nt of sweet potato germplasm / patata dulce - 1ra. ed. - United States International Board For Plant Genetic Re 1989 - 29 Páginas 22x21 cmts. Ingles ISBN: 9290431490 Subjects--Topical Terms: AGRICULTURAPATATAS Dewey Class. No.: M11076