TY  - BOOK
AU  - A.T. Semple
TI  - Grassland improvement
U1  - 633.2 
PY  - 1970///
CY  - London
PB  - Leonard Hill Books
N1  - A.T. Semple: Grassland improvement.  London.  Leonard Hill Books, 1970.--(633.2SEM)
ER  -