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J Theor Biol
; 90(2): 283-91, 1981 May 21.
Article
in English
| MEDLINE
| ID: mdl-7031375
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J Theor Biol
; 77(1): 37-45, 1979 Mar 07.
Article
in English
| MEDLINE
| ID: mdl-376951
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J Theor Biol
; 67(4): 671-6, 1977 Aug 22.
Article
in English
| MEDLINE
| ID: mdl-904338