APA
George P.J, Nair V.K.B & Panikkar A.O.N. (1980). Yield and secondary characters of the clone RRII 105 in trial plantings. : International Rubber Conference, 23-28 November 1980, Rubber Research Institute of India, Kottayam, India.
Chicago
George P.J, Nair V.K.B and Panikkar A.O.N. 1980. Yield and secondary characters of the clone RRII 105 in trial plantings. : International Rubber Conference, 23-28 November 1980, Rubber Research Institute of India, Kottayam, India.
Harvard
George P.J, Nair V.K.B and Panikkar A.O.N. (1980). Yield and secondary characters of the clone RRII 105 in trial plantings. : International Rubber Conference, 23-28 November 1980, Rubber Research Institute of India, Kottayam, India.
MLA
George P.J, Nair V.K.B and Panikkar A.O.N. Yield and secondary characters of the clone RRII 105 in trial plantings. : International Rubber Conference, 23-28 November 1980, Rubber Research Institute of India, Kottayam, India. 1980.