AA National Science Foundation - USA
Beta Beta Analytic - USA
Bln Berlin - Germany
BM British Museums - G. Britain
ETH Zürih - Switzerland
Gif Gif sur Yvette - France
Gif A Gif sur Yvette and Orsay - France
GrN Groningen - The Nedherlands
GX Geochorn - USA
Hd Heidelberg - Germany
Hur Hacettepe University - Turkey
Hv Hannover - Germany
I Teledyne Isotopes - USA
KI Kiel - Germany
KIA Kiel AMS - Germany
KN Köln - Germany
Lv Louvain-la-Neuve - Belgium
Ly Université de Lyon - France
M Massachuset - USA
METU Middle East Technical University - Turkey
OxA Oxford Radiocarbon Accelerator Unit - G. Britain
P Pennsylvania - USA
R Roma - Italy
RT Rehovot - Israel
UCLA/UC University of California Los Angeles - USA
W Washington - USA