000 | 00404nam a2200133 a 4500 | ||
---|---|---|---|
005 | 20220228110513.0 | ||
035 | _aF8901000702567 | ||
084 | _aDHEW No. 1556 1967 | ||
110 | _aE.U. Department of Health Education and Welfare. | ||
245 | _aeffects of air pollution / Department of Health Education a-nd Welfare. | ||
260 | _aWashington, D.C. : DHEW | ||
300 | _a18 p. | ||
690 | _aAire - Contaminación. | ||
999 |
_c54297 _d54297 |