000			00395pam a2200145a 44500
082			_aNASA _bCR-671
100			_aWeir,D H
245	1		_aMODEL OF HUMAN OPERATOR RESPONSE TO STEP TRANSITIONS IN CONTROLLED ELEMENT DYNAMICS.
260			_a _bNasa, Washington, D.C. _c1967
300			_a33
500			_aBound With Nasa Cr_672-75
700			_aPhatak,A V
964			_gCIRC
997			_a67681 C
999			_c448313 _d448313