Gangappa, Rajkumar; Wickramasinghe, Chandra; Wainwright, Milton; Kumar, A. Santhosh; Louis, Godfrey (2010). "Growth and replication of red rain cells at 121°C and their red fluorescence". Proceedings of SPIE. 7819: 78190N. arXiv:1008.4960. Bibcode:2010SPIE.7819E..0NG. doi:10.1117/12.876393.
Gangappa, Rajkumar; Wickramasinghe, Chandra; Wainwright, Milton; Kumar, A. Santhosh; Louis, Godfrey (2010). "Growth and replication of red rain cells at 121°C and their red fluorescence". Proceedings of SPIE. 7819: 78190N. arXiv:1008.4960. Bibcode:2010SPIE.7819E..0NG. doi:10.1117/12.876393.
Gangappa, Rajkumar; Wickramasinghe, Chandra; Wainwright, Milton; Kumar, A. Santhosh; Louis, Godfrey (2010). "Growth and replication of red rain cells at 121°C and their red fluorescence". Proceedings of SPIE. 7819: 78190N. arXiv:1008.4960. Bibcode:2010SPIE.7819E..0NG. doi:10.1117/12.876393.
Sampath, S.; Abraham, T. K.; Sasi Kumar, V.; Mohanan, C.N. (2001). "Colored Rain: A Report on the Phenomenon"(PDF). Cess-Pr-114-2001. Center for Earth Science Studies and Tropical Botanic Garden and Research Institute. Archived from the original on 13 June 2006. Retrieved 30 August 2009.