भारतीय राष्ट्रीय विज्ञान अकादमी
Indian National Science Academy
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Author Article
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Protopteris nammalensis sp. nov., A Jurassic Cyatheaceous Tree-fern from the Salt Range, Punjab
Microfossils from the Upeer Vindhyans, with a Discussion on the Age of the Vindhyans in the Light of Plant-fossil Discoveries