1. Untersuchungen an den Drüsenhaaren von Cleome spinosa L;Amelunxen;Z. Pflanzenphysiol.,1969
2. Elektronenmikroskopische Untersuchungen an den Ölzellen von Acorus calamus L;Amelunxen;Z. Pflanzenphysiol.,1969
3. The correlation of fine structure and function in steroidsecreting cells, with emphasis on those of the gonads;Christensen,1969
4. The ultrastructure and ontogeny of pollen in Helleborus foetidus L;Echlin;I. The development of the tapetum and ubisch bodies. J. Cell. Sc.,1968
5. Delopment of the pollen grain wall;Echlin;Ber. Dtsch. Bot. Ges.,1969