1. Fetal magnetocardiography: clinical relevance and feasibility;ter Brake;Physica C,2002
2. Interference characterization of cryocoolers for a high-Tc SQUID-based fetal heart monitor;Rijpma,2001
3. Hohmann R, SQUID-System mit Joule–Thomson-Kuehlung zur Wirbelstrompruefung von Flugzeugfelgen. PhD thesis, Institut fuer Angewandte Physik. Justus Lieblig Universitaet Giessen, Germany, 1999
4. A throttle cycle cryocooler operating with mixed gas refrigerants in 70K to 120K temperature range;Khatri,1997
5. Interference characterisation of a commercial Joule–Thomson cooler to be used in a SQUID-based heart monitor;Bangma;Cryogenics,2001