H Jarvinen, R Eresmaa, H Vedel, K Salonen, S Niemela, J de Vries. A variational data assimilation system for ground-based GPS slant delays
Status: published, Journal: Quart. J. Royal Meteor. Soc., Year: 2007, First page: 969, Last page: 980, doi: 10.1002/gj.79