TY - RPRT TI - Micronutrients and kelp cultures: Evidence for cobalt and manganese deficiency in Southern California deep seawater AU - J.S. Kuwabara PY - 1982 DO - 10.1126/science.216.4551.1219 UR - https://pubs.usgs.gov/publication/70011544 ID - 70011544 ER -