Rosamma, C.A. and Vijayakumar, N.K. 2007. Variation in quantitative characters and heterosis in F1 rice (Oryza sativa L.) hybrids as affected by male sterile cytoplasm. INDIAN JOURNAL OF GENETICS AND PLANT BREEDING. 67, 01 (Feb. 2007), 23–27. DOI:https://doi.org/.