Bruckner, G., Schulze, E. D., & Gebauer, G. (1993). 15N labelled NH3
uptake experiments and their relation to natural conditions (Air Pollution Research Report 47). In J. Slanina (Ed.), Air pollution research report; Joint workshop CEC/BIATEX of EUROTRAC
(pp. 305-311). Dordrecht: Reidel.