TY  - BOOK
AU  - Christopherson,Robert W.
TI  - Elemental geosystems
SN  - 0131015532 (pbk.)
AV  - GB54.5 .C47 2004
U1  - 910/.02 21
PY  - 2004///
CY  - Upper Saddle River, NJ
PB  - Pearson Education
KW  - Physical geography
N1  - Includes bibliographical references and index
ER  -