000 00343cam a2200133ua 4500
003 OSt
008 231116b |||||||| |||| 00| 0 eng d
041 _aeng
082 _a629.4774
_bWOR/GU
245 _aGuide to Hygiene and sanitation in aviation /
260 _aGeneva :
_bWorld Health Organisation ,
_c1960.
300 _a51 ; .
942 _cBK
999 _c1285
_d1285