TY  - BOOK
ED  - Association of Official Seed Analysts.
TI  - Cultivar purity testing handbook
U1  - 631.52 
PY  - 1991///
CY  - Lincoln, NE
PB  - Association of Official Seed Analysts, 
KW  - BIOTECNOLOGIA VEGETAL
KW  - SEMILLAS
KW  - ANALISIS
N1  - Contribution No. 33 to the Handbook on Seed Testing
ER  -