Emmanouel, N. G., Papadoulis, G. T., Lykouressis, D. P., & Tsinou, M. (?????.).  (1991).  Studies on mites associated with lucerne in Greece. ??? R.  Schuster & Murphy, P. W. (????.), The Acari Reproduction development and life-history stretegies. (?? 425-235.). London, New York etc.: Chapman & Hall.