Latitudinal variation of planktonic foraminifera shell masses during Termination I - Zarkogiannis, Stergios (Panepistēmio Athēnōn. Department of Historical Geology and Paleontology) ; Kontakiotis, George (Panepistēmio Athēnōn. Department of Historical Geology and Paleontology) ; Antonarakou, Assimina (Panepistēmio Athēnōn. Department of Historical Geology and Paleontology) ; Mortyn, P. Graham (Universitat Autònoma de Barcelona. Institut de Ciència i Tecnologia Ambientals) ; Drinia, Hara (Panepistēmio Athēnōn. Department of Historical Geology and Paleontology)