TY - BOOK AU - Varshney, R.S& Gupta, S.C TI - Theory and Design of Irrigation Stryctures SN - 978-8185240497 U1 -  627.5221 PY - 2007/// CY - Nenchand & Sons, Roorkee PB - Nenchand & Sons, Roorkee KW - Civil Engineering ER -