Uber Antennula-Zapfen und das Hypostorn. Loodusuurijate Seltsi Aruanded 44 (1-2) 1937 published separately as Tartu Ulikooli Geoloogia-Instituudi Toime-tused. Publications of the Geological Institution University of Tartu, 54 1938: pp. 12-14. [Zoological Record Volume 75]