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Volume 33, Number 3, 1991

Contents

FROM THE EDITOR
A Restrospective on the 14th International 14C Conference
  Austin Long iii
ARTICLES
Late Quaternary Pteropod Preservation in Eastern North Atlantic Sediments in Relation to Changing Climate
  G. M. Ganssen, S. R. Troelstra, Klaas van der Borg and A. M. F. de Jong 277
Shell Hash Dating and Mixing Models for Palimpsest Marine Sediments
  Peter S. Roy 283
Radiocarbon in Seawater and Organisms from the Pacific Coast of Baja California
  Ellen R. M. Druffel and Peter M. Williams 291
Lithium Contamination in AMS Measurements of 14C
  D. H. Loyd, J. S. Vogel and Susan Trumbore 297
Cuello: Resolving the Chronology Through Direct Dating of Conserved and Low-Collagen Bone by AMS
  I. A. Law, R. A. Housley, Norman Hammond and R. E. M. Hedges 303
A Radiocarbon Chronology for Hurnan-Induced Environmental Change on Mangaia, Southern Cook Islands, Polynesia
  P. V. Kirch, J. R. Flenley and D. W. Steadman 317
DATE LISTS
PRL   Physical Research Laboratory Radiocarbon Dates VI
  D. P. Agrawal, Sheela Kusumgar and M. G. Yadava 329
TA   Tartu Radiocarbon Dates XII
  Evald Ilves 345
UBAR   University of Barcelona - Institut d'Estudis Catalans Radiocarbon Dates I
  J. S. Mestres, Gemma Rauret and J. F. Garcia 355
UGRA   University of Granada Radiocarbon Dates V
  Cecilio González-Gómez and Purificacion Sánchez-Sánchez 367
LETTERS TO THE EDITOR 375
RADIOCARBON UPDATES 378
LABORATORIES 379