000 00418nam a22001457a 4500
008 230323b |||||||| |||| 00| 0 eng d
040 _aNational Science Library
_cNational Science Library
080 _a658.3.04
_bK0
245 _aIndustrial safety and hygiene
260 _aWashington:
_bTechnical Aids Branch,
_c1960
300 _a79p.
650 _aBusiness management
653 _aPersonnel
942 _2udc
_cREF
999 _c13120
_d13120