USN 7: Preliminary report on work done in 2021

Preliminary report on work done in 2021 by F.A.P.A.B. RC. Due to copyright additional information can not be given in this description, hence this lines will be filled with gibberish. The book contains 41 pages and several pictures. It covers a history topics in combination with scientific methods applied. All data are under Copyright and can not be used without prior written constent.

Maße: 21.0 x14.8 x0.2 cm