TY  - RPRT
TI  - The examination of a competition matrix for transitivity and intransitive loops
AU  - James B. Grace
AU  - Glenn R. Guntenspergen
AU  - Janet R. Keough
PY  - 1993
DO  - 10.2307/3545313
UR  - https://pubs.usgs.gov/publication/70206415
ID  - 70206415
ER  -