000 00293 a2200121 4500
008 141010b1978 xxu||||| |||| 00| 0 eng d
082 _a551.4
100 _aRama
245 _aOur water resources /
_cRama
260 _aNew Delhi:
_bNational Book Trust,
_c1978.
300 _a115p.
650 _aWater
999 _c6154
_d6154