Karyology and sex determination of oribatid mites
Heethoff, M.; Bergmann, P. and Norton, R.A.  Chromosomes in spider mites (Tetranychidae-Acari)
Bolland, H.; Gutierrez, J. and Helle, W.  Sex determination in the snake mite Ophionyssus natricis (Gervais) (Dermanyssidae)
Oliver, J.H., Jr.; Camin, J.H. and Jackson, R.C.