1. Handa, K.L., Kapoor, L.D. (1955 Oct.). Symposium Essential oil and Aromatic Chemicals, CSIR, 37.
2. Sinha, G.K. and Baslas , K.K. (1969). Proc. Of 56thIndian Science Congress, Chem Part III, 122 & Detailed study paper communication to P. & E.O.R. London.