000 00268nam a2200109Ia 4500
008 240421s9999 xx 000 0 und d
100 _aNarasaiah, M.L.
245 0 _aHealth Education And Energy
260 _aNew Delhi
_bDiscovery
_c2005
300 _a129p.
942 _cBK
999 _c12748
_d12748