TY - BOOK AU - Calabrese,Edward J. AU - Baldwin,Linda A. TI - Performing ecological risk assessments SN - 0873717031 AV - QH541.15.R57 C34 1993 U1 - 333.7/14 20 PY - 1993/// CY - Boca Raton PB - Lewis Publishers KW - Ecological risk assessment N1 - Includes bibliographical references (p. 242-244) and index UR - http://www.loc.gov/catdir/enhancements/fy0744/92044578-d.html ER -