000 00411nam a2200157Ia 4500
008 170101s1972 xx 000 0 und d
082 _aT 631.7 A81D
100 _aAshok Kumar
245 0 _aDesign of underground pipeline system for irrigation
260 _aLudhiana
_bPAU
_c1972
300 _a29cm. 51
650 _aIRRIGATION WATER
653 _aIRRIGATION WATER
653 _aPIPE LINES
942 _2ddc
_cT
999 _c19108
_d19108