1. A corneal nipple pattern in insect compound eyes;BERNHARD;Acta physiol. scand.,1962
2. Function of the corneal nipples in the compound eyes of insects;BERNHARD;Acta physiol. scand.,1963
3. Studies on the relation between the pigment migration and the sensitivity changes during dark adaptation in diurnal and nocturnal lepidoptera;BERNHARD;J. sen. Physiol.,1960
4. Quantitative studies on pigment migration and light sensitivity in the compound eye at different light intensities;BERNHARD;J. pen. Physiol.,1964
5. Admittance optique des couches homogénes et hétérogénes.;BLAISSE;J. Phys. Radium. (Paris),1950