@article {660,
	title = {The marine lichen Lichina confinis (O.F. M{\"u}ll.) C. Ag.: ultrastructure and localization of nitrogenase, glutamine synthetase, phycoerythrin and ribulose 1,5-bisphosphate carboxylase/ oxygenase in the cyanobiont},
	journal = {New Phytologist},
	volume = {124},
	year = {1993},
	pages = {149-160},
	chapter = {149},
	url = {http://www.jstor.org/stable/pdfplus/2558078.pdf},
	author = {Janson, Sven and Amar N. Rai and Birgitta Bergman}
}
@book {680,
	title = {Cyanobacteria in Symbiosis},
	year = {2002},
	publisher = {Springer},
	organization = {Springer},
	issn = {1402007779, 9781402007774},
	author = {Amar N. Rai and Birgitta Bergman and Ulla Rasmussen}
}
