Ortiz, J., Mix, A., Wheeler, P., & Key, R. (2000). Anthropogenic CO2 Invasion into the Northeast Pacific Based on Concurrent δ13CDIC and Nutrient Profiles from the California Current. Global Biogeochemical Cycles. https://oaks.kent.edu/node/2076
Ortiz, Joseph, A. Mix, P. Wheeler, and R. Key. 2000. “Anthropogenic CO2 Invasion into the Northeast Pacific Based on Concurrent δ13CDIC and Nutrient Profiles from the California Current”. Global Biogeochemical Cycles. https://oaks.kent.edu/node/2076.
Ortiz, J., A. Mix, P. Wheeler, and R. Key. Anthropogenic CO2 Invasion into the Northeast Pacific Based on Concurrent δ13CDIC and Nutrient Profiles from the California Current. Global Biogeochemical Cycles, 1 Sept. 2000, https://oaks.kent.edu/node/2076.