TY  - BOOK
AU  - Jackson Nora
AU  -  Penn Philip
TI  - Dictionary of natural resoruces and their principa
T2  - "Commonwealth And International Library, Geography Division"
U1  - "U671k, K6/RR" 
PY  - 1966///
CY  - Oxford
PB  - Pergamon Press      
KW  - Geography
N1  - Appendix p. 119-28
ER  -