By: Virginia I. Lohr, Caroline H. Pearson-Mims, and Georgia K. Goodwin.
Department of Horticulture and Landscape Architecture Washington State University, WA 99164-6414
By: Margaret Burchett, Fraser Torpy and Jane Tarran.
Plants and Indoor Environmental Quality Group Faculty of Science, University of Technology, Sydney
By: Andrea Dravigne, Sans Marcos Nature Centre, Sans Macros, TX 78666
Tina Marie Waliczek, Department of Agriculture, Texas State University, 601 University Drive, San Marcos, TX 786666
R. D. Lineberger and J. M. Zajicek, Department of Horticultural Sciences, Texas A & M University, College Station, TX 77843-2133
By: Bj¸rn Grinde, Norwegian Institute of Public Health, PO Box 4404 Nydalen, 0403 Oslo, Norway
Grete Grindal Patil, Department of Plant and Environmental Sciences, Norwegian University of Life Sciences, Box 5003, N-1432 …s, Norway