The cornerstone of hereditary building right contract design - The requirement of the first rank according to § 10 of the hereditary building right law (only available in German language)

"Grundpfeiler erbbaurechtlicher Vertragsgestaltung – Das Erfordernis der ersten Rangstelle nach § 10 ErbbauRG" [The cornerstone of hereditary building right contract design - The requirement of the first rank according to § 10 of the hereditary building right law]