000
00272nam a2200109Ia 4500
008
220201s1966 xx 000 0 eng d
100
_a
Lawshe & Balma
245
0
_a
Principles of personal testing
260
_b
Newyork : Mc Graw Hills
_c
1966
300
_a
427
942
_2
ddc
999
_c
74459
_d
74459