Zaklinskaia E. Pollen Morphology of Angiosperms and Palaeofloristic areas and provinces at the boundary of the Cretaceous and Paleogene. JPS [Internet]. 1966 Dec. 31 [cited 2024 Jul. 23];15((1-3):110-6. Available from: https://jpsonline.co.in/index.php/jop/article/view/756