Author:Krassilov,V.A.;Bugdaeva,E.V. Year:1982 Title:Achene-like fossils from the Lower Cretaceous of the Lake Baikal area. Reference: Krassilov,V.A. et al. (1982) Achene-like fossils from the Lower Cretaceous of the Lake Baikal area. Review of Palaeobotany and Palynology Vol. 36 # 3 P. 279- 295 Google Academy: try to search by title in english