TY - BOOK T1 - APSAS, an automated particle size analysis system :a computer- based system designed to rapidly and accurately perform sediment grain-size analyses and calculate statistics / DA - 1985. CY - [Reston, Va.] : AU - Poppe, Lawrence J. AU - Eliason, A. H. AU - Fredericks, J. J. VL - 963 CN - QE75 CN - TA418.8 CN - QE75 PB - U.S. Geological survey, PP - [Reston, Va.] : PY - 1985. N1 - Shipping list no.: 85-930-P. ID - 120804 KW - Particle size determination KW - APSAS (Computer system) TI - APSAS, an automated particle size analysis system :a computer- based system designed to rapidly and accurately perform sediment grain-size analyses and calculate statistics / LK - http://purl.access.gpo.gov/GPO/LPS102644 UR - http://purl.access.gpo.gov/GPO/LPS102644 ER -