Alexander, Lawrence D. <br/><br/>
Computer information extraction from radar images / 
Lawrence Daniel Alexander 
 - Philadelphia :  University of Pennsylvania,  1981 
 - 239 p. ;  21 cm. 
<br/><br/>Thesis (Ph.D) - University of Pennsylvania, 1981 
<br/><br/>p. 234-239 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Information display systems<br/>Radar indicators