TY  - BOOK
AU  - Voisin Andre
TI  - Better grassland sward: Ecology-botany-management
U1  - J251:95, K0 
PY  - 1960///
CY  - London
PB  - Crosby Lockwood        
KW  -  Grass
KW  - Agriculture
N1  - Bibliography 307-329p
ER  -