000 00263nam a2200109Ia 4500
008 211209s9999 xx 000 0 und d
041 _aeng
082 _a631.7 N77 VAR
100 _aVARSHNEY R
245 _aTHEORY AND DESIGN OF IRRIGATION STRUCTURES
300 _a293
999 _c7430
_d7430