Mario van Wetten

http://www.pvmstudio.nl

https://books.google.nl/books?id=X7O-STdAT_wC&pg=PA910&lpg=PA910&dq=induceren+stroom&source=bl&ots=T7krr-7IPJ&sig=a4H9f-enEBg-eiJMXReknMtZ330&hl=nl&sa=X&ved=0ahUKEwii3c6kuIrYAhUREuwKHWlHDV44ChDoAQg

https://www.youtube.com/watch?v=VcrXhnIet6o        Bari Improv - Kaki King

https://www.youtube.com/watch?v=VcrXhnIet6o        Bari Improv - Kaki King

http://www.salford.ac.uk/computing-science-engineering/subjects/acoustics-audio-and-video

http://www.shure.com/americas   Ronnie Middendorp

3MAM#v=onepage&q=induceren%20stroom&f=false

https://www.youtube.com/watch?v=aNzCDt2eidg       Birdy - Skinny love

ik heb een Deel van het boek gelezen van John Eargle "the microphone book"
2de editie. ISBN:02405 1961 2

Wikipedia