000 00311nam a2200133Ia 4500
005 20260205050717.0
008 260111s9999||||xx |||||||||||||| ||und||
082 _a614.71 S69N
100 _aSapru,R.K
245 0 _aNew environmental age
260 _aNew Delhi
_bAshish
_c1990
300 _a418p.
942 _cBK
999 _c84444
_d84444