References
- Clayton , R. K. 1957 . Patterns of accumulation resulting from taxes and changes in motility of micro-organisms . Archiv.für Mikrobiologie , 27 : 311 – 319 .
- Dunn , G. A. 1981 . “ Chemotaxis as a form of directed cell behaviour: some theoretical considerations ” . In Biology of the Chemotactic Response , S.E.B. Seminar Series No. 12 Edited by: Lackie , J. M. and Wilkinson , P. C. 1 – 26 . Cambridge University Press .
- Haupt , W. and Feinleib , M. E. 1979 . “ Physiology of movements ” . In Encyclopedia of Plant Physiology , Vol. 7 , Berlin : Springer Verlag .
- Keller , H. U. , Wilkinson , P. C. , Abercrombie , M. , Becker , E. L. , Hirsch , J. G. , Miller , M. E. , Ramsey , W. S. and Zigmond , S. H. 1977 . A proposal for the definition of terms related to locomotion of leucocytes and other cells . Clinical and Experimental Immunology , 27 : 377 – 380 .