Nakano, Hisamatsu. <br/><br/>
Helical and spiral antennas :  a numerical approach 
Hisamatsu Nakano. 
 - Hertfordshire, England :  Research Studies,  1987. 
 - 261 p. :  ill. ;  24 cm. 
 - Electronic & electrical engineering research studies. Electronic circuits and systems series  2 .
<br/><br/>Includes bibliographical references and index. 
<br/><br/><label>ISBN: </label>0863800602 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Antennas (Electronics).<br/>Numerical analysis.