TY - BOOK AU - Varshney, R.S. AU - Gupta,R L . AU - Gupta,S.C. TI - Theory and design of irrigation structures vol-2 / SN - 81 85240 48 5 U1 - 627.52 PY - 1993/// CY - Roorkee : PB - Nem Chand And Bros , ER -