000 00355 a2200145 4500
080 _a615.9
_bC321S
245 1 _aSilent spring
_cby R. Carson
260 _aLondon
_bHamish Hamilton
_c1963
650 _aToxicology
650 _aPollution
100 1 _aCarson, R.
300 _a304 p.
040 _aIARI, New Delhi
901 _a75592
999 _c39167
_d39167