000 00451nam a22001697 4500
020 _a132878631
041 _aeng
082 _a363.1
_bE786
100 _aThygerson, Alton L.
245 _aEssentials of safety
250 _a3rd ed
260 _aEnglewood Cliffs, N.J.
_bAddison-Wesley
_c1986
300 _a99 p.
_c23 cm
500 _a001824
_aS 068
650 _aAccidents
_zUnited States
_xPrevention.
_aSafety education
_zUnited States
942 _cBOOK
999 _c3285
_d3285