000 00285nam a22001097a 4500
082 _a016.37133
_bRUG
100 _aRufsvold , Margaret I.
_9218783
245 _aGuides to educational media
_c Margaret I. Rufsvold
260 _aChicago:
_bA L A ,
_c1977
300 _a159 p.
942 _cBK
999 _c155189
_d155189