Many of these references were obtained through the Chemical Abstracts data base. The rest were compiled with the help of other interested parties including several international research sources, industry and their commercial affiliates, research labs, and other governmental agencies, including the U.S. Environmental Protection Agency. The MTBE bibliography is searchable using a keyword search. A list of keywords is provided, which includes topics not necessarily included in the citation's title. References may appear under more than one of the search headings if they discuss more than one topic.
Citations retrieved by a search are in USGS bibliographic format.