TY - BOOK AU - Lawn,Richard E. AU - Thompson, Michael AU - Walker,Ronald F. ED - Laboratory of the Government Chemist (Great Britain) ED - Great Britain. ED - Royal Society of Chemistry (Great Britain) TI - Proficiency testing in analytical chemistry SN - 0854044329 AV - QD75.4.Q34 L39 1997 PY - 1997/// CY - Cambridge PB - LGC KW - Chemistry, Analytic KW - Quality control KW - Chemical laboratories KW - Evaluation KW - Great Britain N1 - "Published for the Laboratory of the Government Chemist by the Royal Society of Chemistry"--T.p. verso; Includes bibliographical references (pages 107-108) and index ER -