@article{https://resolver.caltech.edu/CaltechAUTHORS:20150129-115055387, title = "Micronutrients and Kelp Cultures: Evidence for Cobalt and Manganese Deficiency in Southern California Deep Seawater", journal = "Science", url = "https://resolver.caltech.edu/CaltechAUTHORS:20150129-115055387", id = "record", issn = "0036-8075", doi = "10.1126/science.216.4551.1219", volume = "216" }