000			00378nam a22001457a 4500
999			_c1283 _d1283
003			OSt
005			20240801165811.0
008			190506b xxu||||| |||| 00| 0 eng d
082			_223 _a371.33 _bGER
100			_aGerlach, V.S.
245			_aTeaching & Media: _bA Systematic Approach.
260			_aNew Jersey. _bPrentice Hall, _c1980.
300			_a420p. _c26 cm.
942			_2ddc _cBK