S. Damstra

LOFAR - low frequency array

S. Markoff, A. Noutsos, H. Holties, 2006 .

MIDI the 10 m instrument on the VLTI

Richard J. Mathar, R. Lenzen, S. Ligori, 2003 .

Optimized trigger for ultra-high-energy cosmic-ray and neutrino observations with the low frequency radio array

H. Holties, M. Brueggen, B. Stappers, 2011, 1108.5745.