TY - JOUR AU - Rhoderick, George AU - Duewer, David AU - Ning, Li AU - DeSirant, Kathryn C2 - Environmental Science & Technology DA - 2010-01-06 LA - en PB - Environmental Science & Technology PY - 2010 TI - Hydrocarbon Gas Standards at the pmol/mol Level to Support Ambient Atmospheric Measurements UR - https://tsapps.nist.gov/publication/get_pdf.cfm?pub_id=902374 ER -