000 00336nam a2200133Ia 4500
100 _aHill, Marquita K
020 _a0-521-56210-4
654 _aHealth & Hygiene
942 _cBK
245 _aUnderstanding environmental pollution
260 _aCambridge University Press, Cambridge
_c1997
082 _a614.77 Hil
300 _axvi,316p
999 _c27957
_d27957