000 00269nam a2200109Ia 4500
008 160122s9999 xx 000 0 und d
041 _aEnglish
100 _aS K Dhayani
245 _aResource Conservation & Watershed Mgt
260 _bDelhi:IASWC
_c2002
300 _a435p.
999 _c6566
_d6566