[Autor nieustalony, Kaktusy itd. — zeszyt 2, Kaktusy itd., 2008, nr 2]
A 2008 issue preserved in Konrad Szychowski's private archive. It contains collectors' material and historical cactus nomenclature.
Copy in the supplied material
[Autor nieustalony, Kaktusy itd. — zeszyt 2, Kaktusy itd., 2008, nr 2]
A 2008 issue preserved in Konrad Szychowski's private archive. It contains collectors' material and historical cactus nomenclature.