TY  - BOOK
AU  - Graham,Edward H.
TI  - Natural principles of land use
AV  - S493 .G65
U1  - 333.7 
PY  - 1944///
CY  - London, New York [etc.]
PB  - Oxford University Press
KW  - Land use
KW  - Biology, Economic
KW  - Natural resources
N1  - Bibliography: p. 233-261
ER  -