000 00256nam a2200097Ia 4500
008 220201s9999 xx 000 0 eng d
100 _aGADI (RENU), RATTAN (SUNITA)
245 0 _aT. B. OF ENVIOURNMENTAL STUDIES
260 _bS.K. KATARIA DELHI
942 _2ddc
999 _c99876
_d99876