000			00446nam a2200145Ia 4500
008			211109s9999||||xx |||||||||||||| ||und||
082			_a152.1886 _bIRA.N
100			_aIrala, Narciso
245		0	_aMental Efficiency Without Fatigue
260			_bUnknown Publisher _aNo Place _c1975
300			_a150p.
630			_xgeneral stack
650			_aPhilosophy & psychology _vPsychology _xPerception, movement, emotions & drivesGeneralia
942			_cBOOK
999			_c65650 _d65650