From Rutgers University's Farm Management page:
Starting a greenhouse business - From Paul A. Thomas and William A. Thomas, University of Georgia.
Department of Horticulture, 134A Plant Sciences Bldg, Ithaca, NY 14853 USA, email: hort@cornell.edu | 607-255-4568/1789 | Fax, 607-255-9998/0599
© 2010 Department of Horticulture, College of Agriculture and Life Sciences, Cornell University