ROTHMAN.Jack <br/><br/>
A new look at field instruction/ 
Jack Rothman and Wyatt C. Jones 
 - New York:  Association Press,  c1971. 
 - 224p.; 
<br/><br/> Include Reference 
<br/><br/><label>ISBN: </label>72129439 
<br/><br/><label>Dewey Class. No.: </label>361.8