00499nam a22001577a 450000500170000000800410001702000220005804000080008008200220008810000180011024501080012826000430023630000230027965000160030265000230031820230825095757.0230825b        |||||||| |||| 00| 0 eng d  a978-0-571-25342-5  beng  a599.938 D898 2010  aDunbar, Robin10aHow many friends does one person need?b:dunbar's number and other evolutionary quirksc/ Robin Dunbar.  aLondon:bFaber and Faber Ltd.,cc2010.  avi., 302p.:c21cm.14aPsychology.14aSocial Psychology.