Agroforestry : classification and management / MacDicken, Kenneth G. Vergara, Napoleon T. Agroforestry. Agroforestry 634 WIL 1990 C151 Or. "A Wiley-Interscience publication." New York : Wiley, c1990. c1990. Text xvii, 382 p. : http://www.loc.gov/catdir/toc/onix04/89005404.html http://www.loc.gov/catdir/enhancements/fy0707/89005404-d.html