000 00289nam a2200109Ia 4500
008 220510s1985 xx 000 0 und d
041 _aeng
082 _a371.3
_bELL
100 _aEllington,Henry,
_9779645
245 _aProducing Teacing Materials
260 _aNew York:
_bPlenum Press,
_c1985
999 _c529855
_d529855