Book ID: 117750
Süßwasserflora von Mitteleuropa (Freshwater Flora of Central Europe)
Band 02:01: Krammer, K. und H. Lange- Bertalot: Bacillariophyceae. Teil 1: Naviculaceae. 1986. 206 plates, 876 p. Hardcover. - In German
This is the first edition. Good second hand copy.