000 00258nam a2200097Ia 4500
008 150310s9999 xx 000 0 und d
100 _aMOORTHY R S N
245 _aTYPE DESIGN OF IRIGATION STRUCTURES
250 _a2
260 _c1974
_b"MARUTHI BOOK DEOPT, GUNTUR"
999 _c6808
_d6808