(2007). Selenium concentrations in middle Pennsylvanian coal-bearing strata in the central Appalachian Basin / by Sandra G. Neuzil [and others].
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रSelenium Concentrations in Middle Pennsylvanian Coal-bearing Strata in the Central Appalachian Basin / by Sandra G. Neuzil [and Others]. 2007.
एमएलए (9वां संस्करण) प्रशस्ति पत्रSelenium Concentrations in Middle Pennsylvanian Coal-bearing Strata in the Central Appalachian Basin / by Sandra G. Neuzil [and Others]. 2007.
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