"she made frequent mention of her promotion" "there was no mention of it" "the speaker made several references to his wife"
"the student's essay failed to list several important citations" "the acknowledgments are usually printed at the front of a book" "the article includes mention of similar clinical cases"
"it is used as a reference for comparing the heating and the electrical energy involved"
"he contributed articles to the basic reference work on that topic"
"requests for character references are all too often answered evasively"
"the extension of `satellite of Mars' is the set containing only Demos and Phobos"
"reference to an encyclopedia produced the answer"
"he carried an armful of references back to his desk" "he spent hours looking for the source of that quotation"
"he argued that reference is a consequence of conditioned reflexes"
"he referenced his colleagues' work"