000 00226nam a2200097Ia 4500
008 170619s9999 xx 000 0 und d
100 _aDR ravikant pagni
245 0 _aENVIRONMENT AND ECOLOGY
260 _b"TECHMAX PUB
260 _c PUNE"
546 _a2009
999 _c18926
_d18926