000 00318nam a2200121Ia 4500
082 _a628.072
_bPOR
100 _aPorteous, Andrew
245 _aDevelopments in environmental control and public health.
260 _aLondon
_bApplied Science Pub.
_c1979
300 _a311p.
890 _aUnited Kingdom
999 _c7997
_d7997