Finite-difference time-domain modelling of through-the-Earth radio signal propagation. - Maxim Ralchenko; M. Svilans; Claire Samson; Mike Roper (Comput. Geosci., 2015)

VLF Magnetic Positioning in Multistory Parking Garages. - Maxim Ralchenko; Mike Roper (IPIN, 2018)

Positioning Pedestrians and Cyclists in Urban Intersections Using VLF Magnetic Fields. - Maxim Ralchenko; Mike Roper; Peter Kwasniok (VTC Fall, 2018)