found: Test Instrument Industry Service, c1982- :v. 1, t.p. (Dataquest; preceding this word, in different type face: Nielsen; copyr. at bottom of page: Dataquest, Inc.) cover (Dataquest Incorporated) v. 3, bottom on many pages in "Seminars" section (Dataquest, Inc., a subsidiary of A.C. Nielsen Company) copyr. at bottom of every printed page in all vols. (predominant form: Dataquest) [12 other titles examined; all conform to this usage except some have "Dataquest" and "Nielsen" on cover, same format as above t.p., rather than "Dataquest Incorporated"]