000 00268nam a2200109Ia 4500
008 230416s9999||||xx |||||||||||||| ||und||
050 _aLC6515 .P6 1963
100 _aPotter, David,
245 0 _aDiscussion: a guide to effective practice
260 _c1963
942 _2lcc
_cBK
999 _c81
_d81