 O2 A-band line parameters to support atmospheric remote sensing Part II by David A. Long and others

Primary manuscript: tsapps.nist.gov/publication/get_pdf.cfm?pub_id=907932

Full title: O2 A-band line parameters to support atmospheric remote sensing. Part II: The rare isotopologues. Section 3, manuscript page 4, distinguishes rotational $N$ from total $J$ and states the odd-$N$ nuclear-spin statistical restriction for the dominant oxygen isotopologues.