000 00300nam a2200109Ia 4500
008 220204s9999 xx 000 0 und d
082 _a371.3
_bSCH
100 _aSchramm, Wilbur
245 0 _aBig media little media: Tools and technologies for instruction
260 _aLondon
_bSage
_c1977
942 _cBK
999 _c34930
_d34930