Spongberg, A. L. (2006). PCB concentrations in intertidal sipunculan (Phylum Sipuncula) marine worms from the Pacific coast of Costa Rica. Universidad de Costa Rica.
Chicago Style CitationSpongberg, Alison L. PCB Concentrations in Intertidal Sipunculan (Phylum Sipuncula) Marine Worms From the Pacific Coast of Costa Rica. Universidad de Costa Rica, 2006.
MLA CitationSpongberg, Alison L. PCB Concentrations in Intertidal Sipunculan (Phylum Sipuncula) Marine Worms From the Pacific Coast of Costa Rica. Universidad de Costa Rica, 2006.
Warning: These citations may not always be 100% accurate.