TY - JOUR AU - S. Page AU - Bruce Benner AU - John Small AU - Steven Choquette C2 - Journal of Supercritical Fluids DA - 1999-03-01 LA - en M1 - 14 PB - Journal of Supercritical Fluids PY - 1999 TI - Restrictor Plugging in Off-Line Supercritical Fluid Extraction of Environmental Samples: Microscopic, Chemical, and Spectroscopic Evaluations ER -