Christoph Lang <br/><br/>
Panda3D 1.7 Game Developer's Cookbook. 

 - 336. 
<br/><br/>Electronic book text. 
<br/><br/><br/>Data in extended ASCII character set. <br/>Mode of access: Internet. 
<br/><br/><label>ISBN: </label>9781849512930 
<br/><br/><label>Standard No.: </label>9781849512930  isbn