00346nam a2200133Ia 4500008004100000020001200041040001600053041001200069082001800081100002100099245002900120260004800149300001500197230917s9999||||xx |||||||||||||| ||und||  cPON3.95  e12383aMAIN  aEnglish  a301.4442 S58H  aSennett, Richard 0aHidden enjuries of class  aCambridgebCambridge University Pressc1977  axi, 214 p.