000 00342nam a2200157Ia 4500
001 13906
008 141107s9999 xx 000 0 und d
020 _a0-19-437147-6
050 _aLB 3013.H3 1992
245 _aClassroom Dynamics
250 _a0
260 _aOxford
260 _bOxford University
260 _c1992
300 _a,;ill.
999 _c49095
_d49095