Report Ozone soundings as a tool for detecting ozone change. Acronym: OSDOC. Final report Contract ENV4-CT95-0145. Reporting period 1. February 1996 – 31. January 1999. Braathen, G. (coor.), Kyrö, E.; Vaughan, G.; Gathen, P. von d.; Knudsen, B. Publication details Year: 1999