PAL B.P., SIKKA S.M., Swaminathan M.S., NATARAJAN A.T..  1958.  Frequency and types of mutations induced in bread wheat by some physical and chemical mutagens. Wheat Information Service . 7

PAL B.P., Swaminathan M.S., NATARAJAN A.T..  1957.  Awning induced in wheat by treatment with radioactive phosphorus. Wheat Information Service . 6