1. The use of nitrogen isotopic ratio for reconstruction of past changes in surface ocean nutrient utilization;Altabet,1994
2. Isotope fractionation during primary production;Fogel,1993
3. Large changes in oceanic nutrient inventories from glacial to interglacial periods;Ganeshram;Nature,1995
4. Early diagenesis of organic matter in sediments: assessment of mechanisms and preservation by the use of isotopic molecular approaches;Macko,1993
5. Nitrogen isotope fractionation in the modern ocean: implications for the sedimentary record;Montoya,1994