A Lehikoinen, JMJ Huttunen, A Voutilainen, S Finsterle,
MB Kowalsky and JP Kaipio,
"A New Dynamic Inversion Approach for Hydrological Process
Monitoring",
Water resources research, at press.
JMJ Huttunen, A Lehikoinen, J Hämäläinen
and JP Kaipio,
"Importance filtering approach for the nonstationary
approximation error method",
Inverse Problems, submitted.