TY - RPRT TI - Particle Size Characterization of Water-Elutriated Libby Amphibole 2000 and RTI International Amosite AU - Heather Lowers AU - Amy M. Bern PY - 2009 DO - 10.3133/ofr20091242 UR - https://pubs.usgs.gov/publication/ofr20091242 ID - ofr20091242 ER -