TY  - BOOK
AU  - Semple,Arthur T.
TI  - Grassland improvement,
AV  - SB199 S44 1970
PY  - 1970///
CY  - London
PB  - Leonard Hill
KW  - Pastures
KW  - Grasslands
N1  - Includes Bibliographical references [ p. 339-361]
ER  -