Time-transgressive North Atlantic productivity changes upon Northern Hemisphere glaciation - Lawrence, K. T. (Lafayette College, Pennsylvania. Department of Geology and Environmental Geosciences) ; Sigman, D. M. (Princeton University. Department of Geosciences) ; Herbert, T. D. (Brown University. Department of Geological Sciences) ; Riihimaki, C. A. (Princeton University. Council on Science and Technology) ; Bolton, C. T. (Universidad de Oviedo. Departamento de Geología) ; Rosell Melé, Antoni (Universitat Autònoma de Barcelona. Institut de Ciència i Tecnologia Ambientals) ; Martínez García, Alfredo (Universitat Autònoma de Barcelona. Institut de Ciència i Tecnologia Ambientals) ; Haug, Gerald H (ETH Zürich. Geologisches Institut)