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This highlights the problems of Internet searching in the sicences, rather than depending upon abstracting services such as Chem Abstracts or GeoRef or Mathematical Reviews. On the Internet, all publications are equal, even crazy ones from problematic journals.

Controlled indexing and abstracting fee-services in the sciences are confined to a number of peer reviewed journals. Although even this is not 100% effective, it is a good way to determine which articles are published in respected journals.

But patron generated searches are cheaper, and by-passing the respected and often society-produced indexing and abstracting services mean that the silly are mixed up with the good. Thus another problem in searching for keywords on the Internet, and doing away with the subject specialist reference librarians.