TY - BOOK AU - Vallentine,John F. TI - Grazing management SN - 0127100016 (alk. paper) AV - SF85 .V35 2001 PY - 2001/// CY - San Diego PB - Academic Press KW - Management UR - http://www.columbia.edu/cgi-bin/cul/resolve?clio10817555 ER -