TY - SER AU - Wise, Stephen AU - Schantz, Michele AU - Poster, Dianne AU - Lopez, M. AU - Sander, Lane C2 - Elsevier Science, Amsterdam, DA - 2000-03-01 LA - en PB - Elsevier Science, Amsterdam, PY - 2000 TI - Standard Reference Materials for the Determination of Trace Organic Constituents in Environmental Samples ER -