1. Brewbaker, J.L.: Pollen enzymes and isoenzymes. In: Pollen: Development and Physiology, p. 156?170. London: Butterworth 1971
2. Cameron, J.W.; Scora, R.W.: Leaf oils and fruit characters in relation to genetic identity among twin and triplet citrus hybrids. Lloydia 36, 410?415 (1973)
3. Cameron, J.W.; Soost, R.K.: Citrus. In: Outlines of Perrennial Crop Breeding in the Tropics p. 129?162 (Eds. Ferwerda, F.P.; Wit, F.). Wageningen: H. Veenman and Zonen 1969
4. Desborough, S.; Peloquin, S.J.: Esterase isoenzymes from Solanum tubers. Phytochemistry 6, 989?994 (1967)
5. Desborough, S.; Peloquin, S.J.: Potato variety identification by use of electrophoretic patterns of tuber proteins of enzymes. J. exp. Bot. 18, 100?109 (1968)