000 00322 a2200133 4500
082 _a620.82
_bSHA
090 _c15503
_d23429
100 _aShan, H.S.
245 _aWork study & ergonomics
260 _aDelhi
_bDhanpat Rai & sons
_c2001
_g2001
300 _a316p.
_c21cm.
650 _aHuman factors engineering
942 _cL
999 _c43596
_d43596