Keller, W. Phillip. <br/><br/>
Taming tension / 
W. Phillip Keller. 
 - Grand Rapids Michigan :  Baker Book house,  c1979 
 - 224 p. ;  21 cm. 
<br/><br/><label>ISBN: </label>0801054079 
<br/><br/><label>LC Class. No.: </label>BF575.S75  / K44 1979