000 003510000a22001450004500
245 _aHydro power structures.
100 _aVarshney, R.S.
250 _a2nd ed.
260 _aNew Delhi
_bNem Chand
_c1977
300 _axii, 680p.
500 _a033792 - Book lost & paid. RBL 31/91
080 _a627.8:624.1
_bV3
041 _aEN
942 _cBK
999 _c111875
_d111875