Exner, 1891
Exner, S., 1891 (edited and translated R.C. Hardie, 1988), The Physiology of the Compound Eyes of Insects and Crustacea, Berlin: Springer-Verlag
Exner, S., 1891 (edited and translated R.C. Hardie, 1988), The Physiology of the Compound Eyes of Insects and Crustacea, Berlin: Springer-Verlag