Back to matchesWe found a matchYour institution may have access to this item. Find your institution then sign in to continue.TitlePROBLEM DEPARTMENT.AuthorsGibbs, Richard A.; Szuecs, LaszloPublicationSchool Science & Mathematics, 1987, Vol 87, Issue 6, p532ISSN0036-6803Publication typeArticleDOI10.1111/j.1949-8594.1987.tb11741.x