000 00410 a2200157 4500
020 _a0721689272
080 _a577.4
_bT939E
245 1 _aEnvironmental science
_cby A. Turk, et. al.
250 _a2nd edn.
260 _aPhiladelphia
_bW.B. Saunders
_c1978
650 _aEnvironmental Science
100 1 _aTurk, A.
300 _a597 p.
040 _aIARI, New Delhi
901 _a145162
999 _c70784
_d70784