TY  - BOOK
AU  - Delorit, Richard J.
TI  - An illustrated taxonomy manual of weed seeds
U1  - 632.58 
PY  - 1970///
CY  - River Falls, Wis.
PB  - Agronomy Publications
KW  - Malas hierbas
KW  - Semillas
KW  - Identificación
ER  -