TY - RPRT TI - Vapor-pressure osmometric study of the molecular weight and aggregation tendency of a reference-soil fulvic acid AU - J.A. Marinsky AU - M.M. Reddy PY - 1990 DO - 10.1016/s0003-2670(00)81228-3 UR - https://pubs.usgs.gov/publication/70016129 ID - 70016129 ER -