TY - RPRT TI - Assessment of sampling methods to estimate horseshoe crab (Limulus polyphemus L.) egg density in Delaware Bay AU - P.S. Pooler AU - D. R. Smith AU - R.E. Loveland AU - M.L. Botton AU - S.F. Michels PY - 2003 UR - https://pubs.usgs.gov/publication/70025804 ID - 70025804 ER -