Everyone uses the OCLC Union List of Periodicals , the CAS DDS Title Search , cooperative lists, or other electronic tools. Experienced researchers will be reminded of databases they have neglected. New researchers, when they get over their dismay at the wealth of information to be conquered, may use this chapter to consider other sources when the basics don't quite fit the bill. Being able to ask for a substance extracted from seeds versus flowers and to see up front the yield reported have delighted this reviewer. Maizell's impossible task in describing database products is illustrated by his discussion of the Science Citation Index .
Separate training is needed for each electronic version.
He chose to continue to illustrate its arrangement by discussing the print version. It would have been the better choice by now to switch his explanation to one of the electronic versions. Indeed, the similar wording in many places of both editions, given the large gap between the publication dates of the two, is surprising. The list of British versus American spellings is a convenient reminder to consider alternative spellings. Do not fall into that trap of using only the British, use both, as they are both needed for good recall.