TY  - BOOK
AU  - Chapman,G.P.
TI  - Human and environmental systems: a geographer's appraisal 
SN  - 0121686507 :
U1  - 551.4018 
PY  - 1977///
CY  - London
PB  - Academic Press
KW  - Geography
KW  - Methodology
KW  - System theory
N1  - Includes index; Bibliography: p. 411-416
ER  -