000 00294nam a2200121Ia 4500
008 211209s1977 xx 000 0 und d
041 _aeng
082 _a627.9 N77 VAR
100 _aVARSHNEY R S
245 _aHYDRO POWER STRUCTURES
260 _aROORKELA
_bNEM CHAND BROS
_c1977
300 _a692
999 _c14243
_d14243