000 00360nam a2200145Ia 4500
008 151213s9999 xx 000 0 und d
100 _aArnold Burnett
245 _aMental Efficiency
_cArnold Burnett
260 _aLondon
_bHodden & Stoughtor
300 _a6520 p.
650 _aPsychology
650 _aReference
700 _aArnold Burnett
999 _c3609
_d3609