TY  - SER
AU  - Departof AgriculturaAgricultural Research Service
TI  - Technical Bulletin : Agricultural Research Service
PY  - 1984///
CY  - Washington
PB  - Depart. of Agricultura. Agricultural Research Service
KW  - Agricultura
N1  - BPH: Techn.Bull. U.S.D.A.  Existencias: 1984 no. 1691; 1988 no. 1719; 1990 no. 1755, 1757; 1992 no. 1791, 1796; 2003 no.1890 parte 1 y 2
ER  -