TY  - BOOK
AU  - Gray Murray
TI  - Geodiversity: Valuing and conseving obiotic natur   
SN  - 0470848952
U1  - U21, P4 
PY  - 2004///
CY  - NJ
PB  - Johan wiley & sons inc     
KW  - Geomorphology
N1  - Bibliography P 373-410
ER  -