Back to matchesWe found a matchYour institution may have access to this item. Find your institution then sign in to continue.TitleLETTER TO THE EDITOR.AuthorsRosenberg, Edwin A.PublicationSchool Science & Mathematics, 1987, Vol 87, Issue 4, p296ISSN0036-6803Publication typeArticleDOI10.1111/j.1949-8594.1987.tb11708.x