000 00296pam a2200121a 44500
010 _a64013199
082 _a152.8
_bH369P
100 _aHelmstadter, G.C.
245 1 _aPRINCIPLES OF PSYCHOLOGICAL MEASUREMENT
260 _a
_bAppleton-Century-Crofts
_c1964
964 _gCIRC
997 _a76922 C
999 _c412135
_d412135