TY - RPRT TI - Application of adaptive cluster sampling to low-density populations of freshwater mussels AU - D. R. Smith AU - R.F. Villella AU - D. P. Lemarie PY - 2003 DO - 10.1023/a:1021956617984 UR - https://pubs.usgs.gov/publication/70025958 ID - 70025958 ER -