1851 82 p., 6 lithographed pls, folio, disbound (no covers). Unopened copy. Published in: Denkschriften der Kaiserlichen Akademie der Wissenschaften. Scarce.
1851 82 p., 6 lithographed pls, folio, disbound (with loose original covers). Unopened copy. Published in: Denkschriften der Kaiserlichen Akademie der Wissenschaften. Scarce.