@book{UBHD-1752014, organization={Sage Publications (Beverly Hills, Calif.; London)}, title={Sage focus editions}, publisher={Sage Publications}, address={Thousand Oaks, Calif.}, year={1977-1995}, language={eng}, library={UB ; AF ; DI ; EN ; ES ; GO ; JU ; MG ; SA ; SP ; WS ; WS ; WS}, }