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2. Function of the corneal nipples in the compound eyes of insects;Bernhard;Acta physiol. scand.,1963
3. The insect corneal nipple array;Bernhard;Acta physiol. scand.,1965
4. The crystal structure of α-chitin;Carlström;J. biophys. biochem. Cytol.,1957
5. A combination staining technique for electron microscopy. I. â Nervous tissue;Westrum;J. Microscopie.,1965