000 00261nam a2200109Ia 4500
008 211209s1981 xx 000 0 und d
041 _aeng
100 _aRANGARAJU K G
245 _aFLOW THROUGH OPEN CHANNELS
260 _aNEW DELHI
_bTMH
_c1981
300 _a330
999 _c100567
_d100567