Back to matchesWe found a matchYour institution may have access to this item. Find your institution then sign in to continue.TitleProblem Department.AuthorsKuenzi, N. J.; Prielipp, BobPublicationSchool Science & Mathematics, 1978, Vol 78, Issue 7, p620ISSN0036-6803Publication typeArticleDOI10.1111/j.1949-8594.1978.tb09432.x