any good books on tephrocacti?

[cefalophone]

And other small south American oputia's; cumulopuntia, maihueniopsis, tunilla. After aquiring a few from cc I have become fascinated with these guys.

[phil_SK]

http://cactuspro.com/biblio/en:kiessling" onclick="window.open(this.href);return false;
http://cactuspro.com/biblio/en:leightonboyceiliff" onclick="window.open(this.href);return false;

[cefalophone]

Thank you Phil!

[phil_SK]

These websites are worth a look too:
http://www.opuntiadelsur.de/02englisch/index_eng.htm" onclick="window.open(this.href);return false;
http://tephroweb.ch/" onclick="window.open(this.href);return false;
http://www.tephrowelt.de/starts.engl.html" onclick="window.open(this.href);return false; - this being the site of Michael Kiessling, the author of that first book above.

[cefalophone]

I was browsing through opuntiadelsur earlier. They have some great habitat pics. I cam only access the internet through my phone at the moment so I really could not check out tephroweb. There is no translaye.function on my phone sadly. I can not believe I overlooked these great Cacti when I first started collecting.