Back to matchesWe found a matchYour institution may have access to this item. Find your institution then sign in to continue.TitleHEIGHT MEASUREMENTS FROM VERTICAL AERIAL PHOTOGRAPHS USING A PARALLAX BAR AND COMPUTER PROGRAM.PublicationCanadian Geographer, 1973, Vol 17, Issue 2, p180ISSN0008-3658Publication typeArticleDOI10.1111/j.1541-0064.1973.tb00082.x