000 00252pam a2200109a 44500
082 _a160
_bSCH65D
100 _aSchon, Donald A.
245 1 _aDISPLACEMENT OF CONCEPT
260 _a
_bTavistock Publications
_c1963
964 _gCIRC
997 _a77019 C
999 _c412458
_d412458