TRans-Siberian Observations Into the Chemistry of the Atmosphere Three different Moscow institutes joined their forces in Troica (V. Kopejkin, Y. Obvinzev, N. Elansky; in front A. Lykov).	Preliminary results are accessible at any time during the trip - (bon appetit!)
Collaboration between German (E.Oberlander), Russian (Y.Obvinzev) and American (J.Elkins) scientists during the expedition.	Calibration of MPI instruments with NOAA gas standards by Eva Oberlander