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- Corporate/Agency Authors:
- Environmental Control Administration and Health, Education and Welfare Dept.
- Publisher:
- Environmental Control Administration
- Date:
- [1969.]
- SuDoc number:
- HE 20.1112:(nos.)
- Corporate/Agency Authors:
- Environmental Control Administration and Health, Education and Welfare Dept.
- Publisher:
- Environmental Control Administration
- Date:
- 1969
- SuDoc number:
- HE 20.1102:P 74
- Corporate/Agency Authors:
- Environmental Control Administration and Health, Education and Welfare Dept.
- Publisher:
- Environmental Control Administration
- Date:
- [1969.]
- SuDoc number:
- HE 20.1102:N 88
- Corporate/Agency Authors:
- Environmental Control Administration and Health, Education and Welfare Dept.
- Publisher:
- Environmental Control Administration
- Date:
- 1969 revision. 1969
- SuDoc number:
- HE 20.1108:F 73
- Corporate/Agency Authors:
- Environmental Control Administration and Health, Education and Welfare Dept.
- Publisher:
- Environmental Control Administration
- Date:
- 1969 [published 1970]
- SuDoc number:
- HE 20.1102:So 4
- Corporate/Agency Authors:
- Environmental Control Administration and Health, Education and Welfare Dept.
- Publisher:
- Environmental Control Administration
- Date:
- 1969
- SuDoc number:
- HE 20.1102:So 4/2/969
- Corporate/Agency Authors:
- Environmental Control Administration and Health, Education and Welfare Dept.
- Publisher:
- Environmental Control Administration
- Date:
- 1969
- SuDoc number:
- HE 20.1102:T 31
- Corporate/Agency Authors:
- Environmental Control Administration and Health, Education and Welfare Dept.
- Publisher:
- Environmental Control Administration
- Date:
- 1969 [published 1970]
- SuDoc number:
- HE 20.1102:W 29