14 November 2006, BBC News: Searching for 'our alien origins' Citat: "...He was able to see the recent work of Dr Louis which shows that the red rain can replicate at 300C, an essential attribute of a space micro-organism that might have to endure extreme temperatures..."
Analysis of red rain of KeralaArkiveret 18. juni 2006 hos Wayback Machine Citat: "...High resolution electron microscopy has revealed internal structures as well as evidence of a replication cycle not commonly found in either bacteria or yeasts. These images are of thin cell slices viewed in the transmission electron microscope..."
Radhakrishnan, M. G. (2001). "Scarlets Of Fire". India Today. Arkiveret fra originalen 26. december 2004. Hentet 6. marts 2006.
metapress.com
springerlink.metapress.com
Louis G. & Kumar A.S. (2006). The red rain phenomenon of Kerala and its possible extraterrestrial origin. Astrophysics and Space Science. (at journal website)
Analysis of red rain of KeralaArkiveret 18. juni 2006 hos Wayback Machine Citat: "...High resolution electron microscopy has revealed internal structures as well as evidence of a replication cycle not commonly found in either bacteria or yeasts. These images are of thin cell slices viewed in the transmission electron microscope..."