1. Abrol, Y.P., Nair, T.V.R., Kaim, M.S. and Grover, H.L. Proc. International Symposium‐Improving Crop & Animal Productivity. Edited by: Sethi, G.R. and Chatrath, M.S. pp.147–160. Oxford & IBH Publishing Co.
2. Nitrate assimilation in leaf blades of wheat of different age
3. Abrol, Y.P. and Nair, T.V.R. Proc. National Symposium : Nitrogen Assimilation and Crop Productivity. Edited by: Sen, S.P., Abrol, Y.P. and Sinha, S.K. pp.113–131. New Delhi: Associated Publishing Co.