Historical
Trends of Metals in the Sediments of San Francisco Bay, California: Core
data from San Pablo Bay, Grizzly Bay, Richardson Bay, and
Central Bay by Michelle I. Hornberger,
Samuel N. Luoma, Alexander van Geen, Christopher Fuller, and
Roberto Anima, USGS based on article published in
Marine
Chemistry, 1999. V. 64, pp 39-55.