00722nam a2200229Ia 4500003000400000005001700004008004100021020001400062040001800076041000800094082002100102100002100123245012100144250001200265260004700277300002300324650002700347650003000374650002800404700003400432700002600466OSt20240702113010.0210716s1975    xx            000 0 und d  a019501910  cAIMIT LIBRARY  aeng  a374.22 21bRIVW  aRivers, Wilga M.  aPractical guide to the teaching of German /cBy Wilga M Rivers, Kathleen Mitchell Dell'orto and VIncent J Dell'orto.  a1st ed.  aLondon ;bOxford University Press ,c1975.  a346p. ;bPBc24 cm  aStructured interaction  aTeaching the sound system  aPurposes and procedures  aDell'orto, Kathleen Mitchell.  aDell'orto, Vincent J.