About the existing discrepancy in the determinations of the Avogadro constant. - Jens Martin; Horst Bettin; Ulrich Kuetgens; Detlef Schiel; Peter Becker 003 (IEEE Trans. Instrum. Meas., 1999)

Traceable CO2-R(12) Line Intensity for Laser-Spectroscopy-Based Gas Analysis Near 2 μm. - Gerardo J. Padilla-Víquez; Jorge Koelliker-Delgado; Olav Werhahn; Karl Jousten; Detlef Schiel (IEEE Trans. Instrum. Meas., 2007)