000 00511nam a2200217 4500
008 110906s9999 xx 000 0 und d
020 _a(hard cover):
082 0 0 _a33 wim
082 0 0 _a371
100 0 _awiman,
245 1 0 _aeducational media:theory into practice:
_craymond;
250 _a1
260 _ausa:
_bcharles e.merrill
_c1969,
300 _a283,
300 _axviii.
_c23
500 _ano index
504 _a
504 _aincludes references
600 1 0 _av
_xmutiple authors
906 _c
999 _c9857
_d9857