000 00286 a2200121 4500
082 _a628.5
_bAm35
245 1 _aCLEANING OUR ENVIRONMENT THE CHEMICAL BASIS FOR ACTION
260 _aWashington
_b
_c1969
300 _a249
650 _aPollution
964 _gCIRC
997 _aA26686 s C
999 _c460898
_d460898