airfield CAMP CESAR in france?

dear af+lw-friends,

actually I read this book ( in german )

http://www.amazon.de/Mister-Brown-Av...n+jean+zumbach

In this book there is an airfield mentionend named "CAMP CESAR".
Now I want to find out where it is located exactly?

Here the infos I have:

100 kilomters south of Toulouse, France
near to / in the pyrenees
In use from 1939 to 1945, after ww2 out of order , but not destroid, kept for case of war.

In the near: raillwayline, river, district/county road, forest.

Mr. Brown aka Jean Zumbach landed there 1949!?

Anyone any idea?

thanks inadvance

alex, germany, near cologne