TY  - BOOK
AU  - Hitchcock,Albert Spear
TI  - Manual of the grasses of the United States / 
T2  - Miscellaneous publication / United States Department of Agriculture ; 
U1  - 584.90973 
PY  - 1935///
CY  - Washington : 
PB  - United States Government Printing Office, 
KW  - Gramíneas
KW  - Estados Unidos
ER  -