TY - JOUR T1 - Endogenous rhythms and entrainment cues of larval activity in the horseshoe crab Limulus polyphemus JF - Journal of Experimental Marine Biology and EcologyJournal of Experimental Marine Biology and Ecology Y1 - 2006 A1 - Ehlinger, G.S. A1 - Tankersley, R.A. SP - 205 EP - 214 VL - 337 SN - 0022-0981 ER -