Morphological notes on Bryobia forms of fruit trees and ivyPublished in Entomologische Berichten Amsterdam, in 1955, in volume 15, pages 337-339Bryobia from Hedera, Apple and Pear (Acar., Tetran.). Notulae ad Tetranychidas 1Published in Entomologische Berichten, in 1955, in volume 15, issue 16, pages 340-347
Bryobia from Hedera, Apple and Pear (Acar., Tetran.). Notulae ad Tetranychidas 1Published in Entomologische Berichten, in 1955, in volume 15, issue 16, pages 340-347