TY - CONF AU - Smit, H. G. J. AU - ASOPOS-Team, . TI - World Calibration Centre of Ozone Sondes & JOSIE-activities: Standardization of operating procedures (ASOPOS) & need for homogenization of ozone sonde data GAW 2009 M1 - PreJuSER-6614 PY - 2009 N1 - Record converted from VDB: 12.11.2012 Y2 - 5 May 2009 M2 - Geneva, Switzerland, LB - PUB:(DE-HGF)24 UR - https://juser.fz-juelich.de/record/6614 ER -