TY  - BOOK
AU  - Christopherson Robert W
TI  - Elemental Geosystems
SN  - 9780023224614
U1  - 910.02 CHR 
PY  - 1995///
CY  - London
PB  - Prentice Hall
KW  -  Christopherson
KW  -  Physical Geography
KW  -  Robert W
KW  - Geosystems
ER  -