000 00272nam a22001097a 4500
082 _a371.42
_bLEF.P
100 _aLEFEVER,WELTY D....et.al.
245 _aPRINCIPLES AND TECHNIQUES OF GUIDANCE
260 _aNEW YORK:
_bRONALD PRESS,
_c1950.
300 _a570p.
942 _cBK
999 _c327321
_d327321