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Volume 33, Number 1, 1991

Contents

FROM THE EDITOR
40 And Still Going Strong
  Austin Long iii
ARTICLES
Scintillation Cocktail Optimization for 14C Dating Using the Packard 2000CA/LL and 2260XL
  Robert Anderson and GT Cook 1
Gas Proportional Versus Liquid Scintillation Counting, Radiometric Versus AMS Dating
  Páll Theodórsson 9
A Late Quaternary Stratigraphic Framework for Eastern Mediterranean Sapropel S1 Based on AMS 14C Dates and Stable Oxygen Isotopes
  SR Troelstra, GM Ganssen Klaas van der Borg and AFM de Jong 15
The Radiocarbon Laboratory at the University of Barcelona
  JS Mestres, JF García and Gemma Rauret 23
Two Early Sites of Eastern Beringia: Context and Chronology in Alaskan Interior Archaeology
  Jon Erlandson, Rudy Walser, Howard Maxwell Nancy Bigelow, John Cook, Ralph Lively, Charles Adkins, Dave Dodson, Andrew Higgs and Janette Wilber 35
DATE LISTS
BM   British Museum Natural Radiocarbon Measurements XXII
  Janet Ambers, Keith Matthews and Sheridan Bowman 51
CU   Charles University, Prague Radiocarbon Measurements I
  Jan Silar and Richard Tykva 69
HAR   Harwell Radiocarbon Measurements IX
  AJ Walker, AW Young, AS Keyzor and RL Otlet 79
HAR   Harwell Radiocarbon Measurements X
  AJ Walker, AW Young and RL Otlet 87
LOD   Lodz Radiocarbon Dates III
  Andrzej Kanwiszer and Pawel Trzeciak 115
R   University of Rome Radiocarbon Dates XVII
  Marisa Alessio, Lucia Allegri, Salvatore Improta, Giorgio Belluomini, Cesarina Cortesi, Luigia Manfra and Bruno Turi 131
UD   Udine Radiocarbon Laboratory Date List III
  Franco Calligaris, Stefano Colonnello, Adriano del Fabbro and Serena Perrone 141
W   Radiocarbon Dates for Lava Flows and Pyroclastic Deposits on São Miguel, Azores
  Richard B Moore and Meyer Rubin 151
RADIOCARBON UPDATES 165