000 00294nam a2200109Ia 4500
008 170707s9999 xx 000 0 und d
050 _a371.3 L814
100 _a"Lockwood, Fred"
245 4 _aThe design and production of self-instructional materials
260 _c1998
942 _2lcc
_cBK
_kCirc.
999 _c13672
_d13672