Here is a new english language paper about it with
many examples :
http://www.borderlands.de/net_pdf/NET0306S18-21Det.pdf (http://www.borderlands.de/net_pdf/NET0306S18-21Det.pdf)
a short German language overview is here:
http://www.borderlands.de/net_pdf/NET0306S18-21.pdf (http://www.borderlands.de/net_pdf/NET0306S18-21.pdf)
Regards. Stefan.
http://prola.aps.org/abstract/PR/v103/i1/p20_1
http://users.rcn.com/zap.dnai/magbat.txt
as example :WO1994014237 ,Bertis Werjefelt
MfG
Lanca