APA

Premakumari D, Marattukalam J G, Panikkar A O N & Sethuraj M R. (1990). Genetic parameters and associations of certain anatomical characters in Hevea. : National symposium on New Trends in crop improvement of Perennial Species, 30 August 1990, Kottayam, India.

Chicago

Premakumari D, Marattukalam J G, Panikkar A O N and Sethuraj M R. 1990. Genetic parameters and associations of certain anatomical characters in Hevea. : National symposium on New Trends in crop improvement of Perennial Species, 30 August 1990, Kottayam, India.

Harvard

Premakumari D, Marattukalam J G, Panikkar A O N and Sethuraj M R. (1990). Genetic parameters and associations of certain anatomical characters in Hevea. : National symposium on New Trends in crop improvement of Perennial Species, 30 August 1990, Kottayam, India.

MLA

Premakumari D, Marattukalam J G, Panikkar A O N and Sethuraj M R. Genetic parameters and associations of certain anatomical characters in Hevea. : National symposium on New Trends in crop improvement of Perennial Species, 30 August 1990, Kottayam, India. 1990.