Contribution to the Physiology of the Stridulation and Hearing of Insects. Thesis Math. Nat. Sc. Fribourg, Switzerland. With 11 Fig., 15 Tables, and 2 Graphs in the Text, and 4 Plates. (SA. Aus Den Zoolog. Jahrbüchern. Bd. 47. 1930.) IV S.+S. 151-248+Vita 1 S. 8
