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Science 8 July 1977:
Vol. 197. no. 4299, p. 145
DOI: 10.1126/science.197.4299.145
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Erratum

The name of the director of the New Orleans Sewage and Water Board was misspelled (24 June, page 1421). The correct spelling is Stuart H. Brehm.

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Science. ISSN 0036-8075 (print), 1095-9203 (online)