1997
The 50th Anniversary of Birbal Sahni Institute of Palaeobotany, Lucknow. Plant Fossils


[The 50th Anniversary of Birbal Sahni Institute of Palaeobotany, Lucknow. Plant Fossils, type BAL]


[The 50th Anniversary of Birbal Sahni Institute of Palaeobotany, Lucknow. Plant Fossils, type BAM]


[The 50th Anniversary of Birbal Sahni Institute of Palaeobotany, Lucknow. Plant Fossils, type BAN]


[The 50th Anniversary of Birbal Sahni Institute of Palaeobotany, Lucknow. Plant Fossils, type BAO]

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