APA

Licy J, . (1997). Variability, correlations and heterosis for yield and yield components in certain hybrid clones of the para rubber tree, Hevea brasiliensis (Willd. ex Adr. de Juss.)Muell.Arg. : Ph.D. Thesis, University of Kerala, Trivandrum, India, 158 p.

Chicago

Licy J, . 1997. Variability, correlations and heterosis for yield and yield components in certain hybrid clones of the para rubber tree, Hevea brasiliensis (Willd. ex Adr. de Juss.)Muell.Arg. : Ph.D. Thesis, University of Kerala, Trivandrum, India, 158 p.

Harvard

Licy J, . (1997). Variability, correlations and heterosis for yield and yield components in certain hybrid clones of the para rubber tree, Hevea brasiliensis (Willd. ex Adr. de Juss.)Muell.Arg. : Ph.D. Thesis, University of Kerala, Trivandrum, India, 158 p.

MLA

Licy J, . Variability, correlations and heterosis for yield and yield components in certain hybrid clones of the para rubber tree, Hevea brasiliensis (Willd. ex Adr. de Juss.)Muell.Arg. : Ph.D. Thesis, University of Kerala, Trivandrum, India, 158 p. 1997.