TY  - BOOK
AU  - Knapp, Brian J.
AU  - Ross, Simon R.J.
AU  - McCrae, Duncan L.R.
TI  - Challenge of the human environment
SN  - 0582016371
AV  - GF41.K53 1989 
PY  - 1989///
CY  - Harlow
PB  - Longman, 
KW  - Human geography
KW  - Population geography
ER  -