Pfaffenberger, Bryan <br/><br/>
Timeslips iii made easy 

 - Berkely  Osborne McGraw-Hill  1991 
 - xxv, 276p  23cm. 
<br/><br/><label>ISBN: </label>0078817390 
<br/><br/><label>Subjects--Topical Terms: </label><br/>DATA AND COMPUTER SYSTEMS<br/>DATA FILES AND DATABASE
<br/><br/><label>Dewey Class. No.: </label>005.74  / PFA