ISSN:
1476-4687
Quelle:
Nature Archives 1869 - 2009
Thema:
Biologie
,
Chemie und Pharmazie
,
Medizin
,
Allgemeine Naturwissenschaft
,
Physik
Notizen:
[Auszug] Lake chemistry data were taken from the recent National Lake Survey (NLS)3'4, conducted by the US Environmental Protection Agency (EPA). Details on statistical design, sampling, analytical methodologies, and quality assurance protocols were provided by Linthurst et a/.3 and Landers et al4. ...
Materialart:
Digitale Medien
URL:
http://dx.doi.org/10.1038/331607a0
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