TY - BOOK AU - Keith,Lawrence H. TI - Principles of environmental sampling SN - 0841231524 AV - GE45.S25 P75 1996 U1 - 628.50287 PRI 20 PY - 1996/// CY - Washington, DC PB - American Chemical Society KW - Environmental sampling N1 - H.B; Includes bibliographical references and indexes UR - http://www.loc.gov/catdir/enhancements/fy0605/96009386-d.html UR - http://www.loc.gov/catdir/enhancements/fy0605/96009386-t.html ER -