http://myscienceacademy.org/2013/01/29/rock-solid-proof-of-alien-life-scientists-claim-fossilized-algae-inside-meteorite/

Chandra Wickramasinghe has been the primary proponent of panspermia and is sometimes thought of as a bit too creative in his theorizing. On the other hand, of all the vague evidence in meteorites I have seen, this evidence is nontrivial. If it is not the product of terrestrial contamination (which is, actually, not likely), then, simply stated, there is life on other worlds. And, possibly, in space.

Here’s the actual paper:

http://journalofcosmology.com/JOC21/PolonnaruwaRRRR.pdf