000 00297nam a22001337a 4500
008 210519b ||||| |||| 00| 0 eng d
041 _aeng
080 _a621
082 _a621
100 _a26
101 _aMEK
245 _aBasic Industrial Hygiene a training manual
_cAIHA
942 _2udc
_cBK
999 _c57516
_d57516