Detection and measurement of ro-vibrational populations in molecular hydrogen Popovic, D. ; Cadez, I. ; Landau, M. ; Pichou, F. ; Schermann, C. ; Hall, R. I. Abstract Publication: Measurement Science and Technology Pub Date: October 1990 DOI: 10.1088/0957-0233/1/10/008 Bibcode: 1990MeScT...1.1041P