TY  - BOOK
AU  - Grigg David
TI  - Harsh lands :  A study in agricultural development   
T2  - Focal problems in geography series
U1  - X9(J):2.1(X).N7, L0 
PY  - 1970///
CY  - London
PB  - Macmillan UK         
KW  - Agriculture Industry
ER  -