1
Published: 1865-
2
Published: 1859-2013
3
Published: 1869-1922
Links: Digitalisierung; EZB
Access note: Frei zugänglich
4
Published: 1995
Superior document: Natura Vol. 86, Fasc. 1
5
Published: 2013
Superior document: Natura 103,2
6
Published: 1969
7
Published: 1977