000 00275nam a2200121Ia 4500
008 190829s9999||||xx |||||||||||||| ||und||
100 _aKatewa, S S
245 0 _aEnvironment & Ecology
250 _a2nd Ed.
260 _bEast West Press
_c1972
300 _a596
942 _cBK
999 _c37497
_d37497