@article{JRC22991, address = {}, year = {2002}, author = {Ramebaeck H and Berglund M and Kessel R and Wellum R}, abstract = {Abstract not available }, title = {Modelling Isotope Fractionation in Thermal Ionisation Mass Spectrometry Filaments Having Diffusion Controlled Emission.}, type = {}, url = {}, volume = {216}, number = {}, journal = {Int. J. Mass Spectrom.}, pages = {203-208}, issn = {}, publisher = {Elsevier}, doi = {} }