Kupka, Hans‐Joachim
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18O/16O ratio measurements of inorganic and organic materia..:

Fourel, François ; Martineau, François ; Lécuyer, Christophe...
Rapid Communications in Mass Spectrometry.  25 (2011)  19 - p. 2691-2696 , 2011
 
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2

Essential methodological improvements in the oxygen isotope..:

Sieper, Hans‐Peter ; Kupka, Hans‐Joachim ; Lange, Lutz...
Rapid Communications in Mass Spectrometry.  24 (2010)  19 - p. 2849-2858 , 2010
 
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3

A measuring system for the fast simultaneous isotope ratio ..:

Sieper, Hans‐Peter ; Kupka, Hans‐Joachim ; Williams, Tony...
Rapid Communications in Mass Spectrometry.  20 (2006)  17 - p. 2521-2527 , 2006
 
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