--- abstract: None altloc: [] chapter: ~ commentary: ~ commref: ~ confdates: ~ conference: ~ confloc: ~ contact_email: ~ creators_id: [] creators_name: - family: Humphrey given: Nicholas honourific: '' lineage: '' date: 1997 date_type: published datestamp: 2000-02-03 department: ~ dir: disk0/00/00/08/43 edit_lock_since: ~ edit_lock_until: ~ edit_lock_user: ~ editors_id: [] editors_name: [] eprint_status: archive eprintid: 843 fileinfo: /style/images/fileicons/text_html.png;/843/1/Altruism.htm full_text_status: public importid: ~ institution: ~ isbn: ~ ispublished: pub issn: ~ item_issues_comment: [] item_issues_count: 0 item_issues_description: [] item_issues_id: [] item_issues_reported_by: [] item_issues_resolved_by: [] item_issues_status: [] item_issues_timestamp: [] item_issues_type: [] keywords: 'altruism, kin selection, reciprocal altruism' lastmod: 2011-03-11 08:54:20 latitude: ~ longitude: ~ metadata_visibility: show note: ~ number: ~ pagerange: 199-209 pubdom: FALSE publication: Social Research publisher: ~ refereed: TRUE referencetext: ~ relation_type: [] relation_uri: [] reportno: ~ rev_number: 8 series: ~ source: ~ status_changed: 2007-09-12 16:35:02 subjects: - bio-ani-behav - bio-evo - bio-socio - evol-psy - phil-ethics - soc-psy succeeds: ~ suggestions: ~ sword_depositor: ~ sword_slug: ~ thesistype: ~ title: 'Varieties of altruism - and the common ground between them' type: journalp userid: 123 volume: 64