000 | 00352nam a2200133Ia 4500 | ||
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999 |
_c29184 _d29184 |
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020 | _a8185240736 | ||
100 | _aVarshney R S | ||
245 | _aTheory and Design of Irrigation Structures Vol - I Channels and Tubewells | ||
250 | _a7 | ||
260 |
_c2000 _bNEM CHAND & BROS _aRoorkee (UP) |
||
300 | _axiv+564 | ||
700 |
_aGupta S C _aGupta R L |
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942 | _cBB |