Variation in the trophic morphology of Astigmatid mites common in UK beehives
Bowman, Clive  A new species of Bak (Acari, Cheyletidae) from Thailand, with a key to species
Gerson, U. and Fain, A.  Notes on two Astigmatic mites (Acari) living in beehives in Thailand
Fain, A. and Gerson, U.