000 00293nam a2200109Ia 4500
008 220204s9999 xx 000 0 und d
082 _a658.284
_bROB
100 _aRobertson, Thomas S
245 0 _aInnovation behaviour and communication
260 _aNew York
_bHolt Rinehart
_c1971
942 _cBK
999 _c23984
_d23984