1. Physics of bacterial chemotaxis;Berg,1985
2. Chemokinesis;Van Houten,1988
3. Zur Kenntnis der phototaktischen Richtungsbewegungen;Buder;Jahrb. Wiss. Bot.,1917
4. Phototactic orientation by the ciliate, Stentor coeruleus;Song;Photochem. Photobiol.,1980
5. Phototaxis in Fabrea salina;Colombetti;Med. Biol. Env.,1992