WEP – Prof. Mai hosts two distinguished international guests, Dr. Reinhard Ramdohr, geologist and ore-mineral specialists, and Mr. Michael Martin, author and photographer

11 January, 2015

​Jan 11-22, 2015: WEP – Prof. Mai hosts two distinguished international guests, Dr. Reinhard Ramdohr, geologist and ore-mineral specialists, and Mr. Michael Martin, author and photographer​