SINHA, P. K., K. PRASAD, V. S. CHAUHAN, and J. S. CHAUHAN. “STUDIES ON GORA RICES OF BIHAR. II. VARIABILITY PATTERN IN AGRO-MORPHOLOGICAL CHARACTERS”. INDIAN JOURNAL OF GENETICS AND PLANT BREEDING, vol. 50, no. 02, May 1990, pp. 111-5, doi:.