What has the author Hans Peter Gansner written?

I don't have access to real-time information, including author biographies and bibliographies. To find out what Hans Peter Gansner has written, I recommend searching online resources like:

* Google Scholar: This will show you academic publications by the author.

* Amazon: You can search for books by the author and see reviews.

* Goodreads: This website lets you find and read reviews of books by Hans Peter Gansner.

* Library catalogs: Search your local library's catalog for works by the author.

By using these resources, you can get a good overview of the books and other works written by Hans Peter Gansner.