1.
Tiwari R, Tripathi A. Marker Assemblage-Zones of spores and pollen species through Gondwana Palaeozoic and Mesozoic sequence in India. JPS [Internet]. 1991 Dec. 31 [cited 2024 Nov. 27];40:194-236. Available from: https://jpsonline.co.in/index.php/jop/article/view/1773