TY - JOUR AU - TI - Geologic and Climatic Time Scales of Nutrient Variability JF - Primary Productivity and Biogeochemical Cycles in the Sea DO - 10.1007/978-1-4899-0762-2_6 DA - 1992-01-01 UR - https://www.deepdyve.com/lp/crossref/geologic-and-climatic-time-scales-of-nutrient-variability-B7Zn77LRMC SP - 89 EP - 106 DP - DeepDyve ER -