Ground-based observations of Arctic O<inf>3</inf> loss during spring and summer 1997
Journal article published in 1999 by
G. C. Toon,
J.-F. Blavier,
Sen B.,
R. J. Salawitch,
G. B. Osterman,
J. Notholt 
,
M. Rex,
C. T. McElroy,
J. M. Russell
,
M. Rex,
C. T. McElroy,
J. M. Russell
