TY - BOOK ID - 131701771 TI - Interhelpo, kiel faktoro de l'evoluo PY - 1995 SN - 5716100112 PB - Moskvo Impeto DB - UniCat KW - Political philosophy. Social philosophy KW - Social psychology KW - Animal ethology and ecology. Sociobiology UR - https://www.unicat.be/uniCat?func=search&query=sysid:131701771 AB - ER -