Dugatkin, Lee Alan, 1962-
The altruism equation : seven scientists search for the origins of goodness / Lee Alan Dugatkin. -- Princeton, N.J. ; Woodstock : Princeton University Press, c2006. -- xi, 188 s. -- ISBN : 978-0-691-12590-9 (váz.).
altruismus. etologie. živočichové
591.5. 591.5:316.627