TY  - BOOK
AU  - Estes James R Ed.
AU  -  Brunken Jere N Ed.
AU  -  Tyrl Ronald J Ed.
TI  - Grasses and grasslands: Systematics and ecology
U1  - I786:110j5, L9 
PY  - 1979///
CY  - Norman
PB  - University of Oklahoma Press      
KW  -  Gramineae
KW  - Botany
ER  -