TY  - BOOK
TI  - Natural Environments: Studies in theoretical and applied analysis 
SN  - 801814464
AV  - QH76  .N28 1972 
PY  - 1972///.
CY  - Massachusetts
PB  - The Johns Hopkins University press, 
KW  - _Natural environments
N1  - Includes index.; Includes index.
ER  -