000 00425pam a2200145a 44500
082 _aNASA
_bCR-1746 -
100 _aLevison,William H, Elkind,Jerome I
245 1 _aSTUDIES OF MULTIVARIABLE MANUAL CONTROL SYSTEMS
_cA MODEL FOR TASK INTEREFRENCE
260 _a
_bNasa, Washington, D.C.
_c1971
300 _aXI,229
500 _aBound With Nasa Cr-1740-48
700 _aWard,Jane L
964 _gCIRC
997 _aTR8100 C
999 _c393671
_d393671