@article{TUW-177728, author = {Nordman, Maaria and Eresmaa, R. and B{\"o}hm, Johannes and Poutanen, Markku and Koivula, H. and J{\"a}rvinen, H.}, title = {Effect of troposphere slant delays in regional double difference GPS processing}, journal = {Earth Planets and Space}, year = {2009}, volume = {Vol. 61}, number = {No. 7}, pages = {845--852} }