Anonymous2011-08-232019-05-282011-08-232019-05-281901ÜAMF 171:21http://hdl.handle.net/10062/18367etphotographsslidesSchmidt, Bernhardoptikudastronoomidslaididfotodportreefotodportreed1900-ndad20. saj. 1. poolSchmidt, Bernhard. RindportreeImage