TY - RPRT TI - Guidelines for a graph-theoretic implementation of structural equation modeling AU - James B. Grace AU - Donald R. Schoolmaster AU - Glenn R. Guntenspergen AU - Amanda M. Little AU - Brian R. Mitchell AU - Kathryn M. Miller AU - E. William Schweiger PY - 2012 DO - 10.1890/es12-00048.1 UR - https://pubs.usgs.gov/publication/70039878 ID - 70039878 ER -