000 00401nam a2200121Ia 4500
008 190711s9999 xx 000 0 und d
082 _a551.49 B576
100 _aBIHAR COLLEGE OF ENGINEERING, PATNA (WATER RESOURCES STUDIES
245 0 _aNATIONAL SYMPOSIUM ON PLANNING AND DESIGN OF WATER RESOURCE SYSTEMS
260 _aPATNA
_bBIHAR COLLEGE OF ENGINEERING
_c1989
300 _a25X18
942 _cBK
_2DDC
999 _c19112
_d19112