Intercomparison of ammonia measurement techniques at an intensively managed grassland site (Oensingen, Switzerland) M. Norman, C. Spirig, V. Wolff, I. Trebs, C. Flechard, A. Wisthaler, R. Schnitzhofer, A. Hansel, A. Neftel
Atmospheric Chemistry and Physics Discussions, Vol. 8, pp 19791-19818, 19-11-2008
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