Hadley, Keith. Ensuring competent performance in forensic practice : recovery, analysis, interpretation, and reporting / Keith Hadley, Michael J. Fereday. - Boca Raton, FL : CRC Press, 2008. - 240 p. : ill. ; 25 cm. Includes index. ISBN: 9780849333583 (alk. paper) RM326.48 084933358X (alk. paper) Subjects--Topical Terms: Forensic sciences--Standards.Crime laboratories--Standards.Performance.