000 00310nam a2200121Ia 4500
008 191031s9999 xx 000 0 und d
100 _aSivanappan (R.K) and Karai Gowder (K.R)
245 0 _aIrrigation and drainage
260 _b"Popular Book Depot., Mds."
260 _c1977
365 _b25
942 _cBK
999 _c208827
_d208827