Minda, R.Joshi, V. P.Bhattacharjee, S. K.2010-06-152010-06-152008http://hdl.handle.net/123456789/26012978 bytestext/htmlenevolutionary significanceobligatephotoautotrophycyanobacteriaoxygenevolving photosynthetic microbesThe evolutionary significance of 'obligate' photoautotrophy of cyanobacteria. Current ScienceArticle