TY  - BOOK
AU  - Hooke J M
AU  -  Kain R J P
TI  - Historical change in the physical environment: a guide to sources and technics
T2  - Studies in physical geography
U1  - U2.3'N81, M2 
PY  - 1982///
CY  - London
PB  - Butter worth Scientific       
ER  -