== FLEXTRA main references in BibTeX format == For formatted references, see FtAbout {{{ @Article{Stohl1995, Title = {Interpolation errors in wind fields as a function of spatial and temporal resolution and their impact on different types of kinema tic trajectories}, Author = {Stohl, A. and Wotawa, G. and Seibert, P. and Kromp -Kolb, H.}, Journal = J. Appl. Meteorol., Year = {1995}, Pages = {2149--2165}, Volume = {34} } @Article{Stohl1998, Title = {Accuracy of trajectories as determined from the co nservation of meteorological tracers}, Author = {Stohl, A. and Seibert, P.}, Journal = Q. J. Roy. Meteor. Soc., Year = {1998}, Pages = {1465--1584}, Volume = {125} } }}}