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THOMAS W. COOK is Associate Professor Emeritus of Horticulture at Oregon State University. A frequent speaker at industry conferences, he gives lectures which emphasize turf and landscape with research and application responsibilities.
ANN MARIE VANDERZANDEN, PHD, is a Professor of Horticulture at Iowa State University. A frequent speaker at industry conferences and contributor to academic journals, she is coauthor of Mathematics for the Green Industry, published by Wiley, and Landscape Design: Theory and Application.
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