00819nam0-22003131i-450-9900032140504033210-471-17122-5000321405FED01000321405(Aleph)000321405FED0100032140520000920d1971----km-y0itay50------baitaITT-groupsA Survey of ResearchEdited by C.L. Cooper, I.L. Mangham.LondonJohn Wiley & Sons1971.xvii, 283 p.23 cmGruppi sociali12420Cooper,Cary L.Mangham,I. L.ITUNINARICAUNIMARCBK99000321405040332112420 TGR3590/ISESSEST-groups453954UNINAING01