Krassilov V, Shuklina A. TERRESTRIAL BIOTIC CRISES: PALEOBOTANICAL RECORD AND INTERPRETATION. geosociety [Internet]. 2007 Jun. 8 [cited 2024 Nov. 27];40(1):142-53. Available from: https://ejournals.epublishing.ekt.gr/index.php/geosociety/article/view/16499