Annotated synopses Bajpai, Usha Rajanikanth, A text Lucknow Birla Sahni Institute of Palaeobotany 1994 monographic eng

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68p. Vol. 2 (iii. Permian megaplants & iv. Mesozoic megaplants); 68p. Science Gondwana 56:581]:902.67:016(540) N4.2 National Science Library 230525