000 00546 a2200253 4500
001 126214
020 _a1
041 _aeng
080 _a628 Wor
245 _aEducation and training of engineers for environmental health / by John Cassel...[et al.]
250 _a
260 _aGeneva
260 _bWHO,
260 _c1970
300 _a152 p.
300 _c24 cm
490 _a
100 _aWorld Health Organization
700 _a
650 _a
650 _aEnvironmental health-Study andteaching
942 _cBK
942 _2UDC
999 _c93659
_d93659