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1. |
Record Nr. |
UNINA9910701424903321 |
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Titolo |
Aquatic life [[electronic resource] ] : ammonia fact sheet--1999 update |
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Pubbl/distr/stampa |
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[Washington, D.C.] : , : United States Environmental Protection Agency, Office of Water, , [1999] |
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Descrizione fisica |
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Soggetti |
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Water quality management - Government policy - United States |
Ammonia - Environmental aspects - Government policy - United States |
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Lingua di pubblicazione |
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Formato |
Materiale a stampa |
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Livello bibliografico |
Monografia |
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Note generali |
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Title from title screen (viewed May 14, 2004). |
"December 1999." |
"EPA-823-F-99-013." |
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2. |
Record Nr. |
UNINA9910710231603321 |
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Autore |
Petersen Stephen R |
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Titolo |
An economic analysis of efficiency improvements to residential gas- and oil-fired central heating equipment / / Stephen R. Petersen; George E. Kelly |
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Pubbl/distr/stampa |
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Gaithersburg, MD : , : U.S. Dept. of Commerce, National Institute of Standards and Technology, , 1980 |
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Descrizione fisica |
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Collana |
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Altri autori (Persone) |
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KellyGeorge E |
PetersenStephen R |
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Lingua di pubblicazione |
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Formato |
Materiale a stampa |
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Livello bibliografico |
Monografia |
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Note generali |
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1980. |
Contributed record: Metadata reviewed, not verified. Some fields updated by batch processes. |
Title from PDF title page. |
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