TY - JOUR AU - TI - Fossil indicators of nutrient levels. 2: Evolution and extinction in relation to oligotrophy JF - Geological Society, London, Special Publications DO - 10.1144/gsl.sp.1995.083.01.08 DA - 1995-01-01 UR - https://www.deepdyve.com/lp/crossref/fossil-indicators-of-nutrient-levels-2-evolution-and-extinction-in-KcAv0d1wNN SP - 133 EP - 150 VL - 83 IS - 1 DP - DeepDyve ER -