3 1 10 Theory & design of irrigation structures vol.II Varshney, R.S. Primary Author Gupta, S.C. Primary Author Gupta, R.L. Primary Author mixed material India NEM CHAND & BROS 1979 Theory & Design of Irrigation Structures: Volume 1 Gupta, R. L. Primary Author Gupta, S. C. Primary Author Varshney, R. S. Primary Author mixed material Roorkee NEM CHAND & BROS 1979 Thermodynamics for engineers Gupta, S.C. Primary Author Marthur, M.L Primary Author mixed material India Metropolitan Book 1975 img105.jpg.jpg