000			00445nam a2200169Ia 4500
003			NIELib
008			211019s9999||||xx |||||||||||||| ||und||
020			_a0138913587
082			_a407.35 _bGER
100			_aGerlach, Vernon S.
245			_aTeaching & Media : a systematic approach
260			_bPrentice Hall, _c1980. _aNew jersey:
300			_ax, 420p.; _c24cm
650			_aEnglish Language
700			_aEly, Donald P.
942			_2ddc _cLM
999			_c31722 _d31722