Certification by Engineer M. Ring of the measuring of the area of the Warsaw Ghetto with a planimeter, 16 June 1969
Certification by Engineer M. Ring of the measuring of the area of the Warsaw Ghetto with a planimeter, 16 June 1969
Certification by Engineer M. Ring of the measuring of the area of the Warsaw Ghetto with a planimeter, 16 June 1969
The measuring was carried out according to a map prepared by Engineer Yosef Ziemian and published at Yad Vashem, 1968.