00361nam a2200133Ia 4500008004100000020001200041040001600053041001200069082002000081100002100101245005000122260004100172300001400213230917s9999||||xx |||||||||||||| ||und||  cPOU8.95  e14887aMAIN  aEnglish  a301.36072 P775U  aPons, Valdo, ed. 0aUrban social research: Problems and prospects  aLondonbRoutledge & Kegan Paulc1983  aix,194 p.