Doyle, William T.  1929- <br/><br/>
The biology of higher cryptogams / 
by William T. Doyle 
 - London :  MacMillan,  1970 
 - vii, 163 p. :  ill. ;  24 cm. 
<br/><br/>Bibliography: p. 149-154 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Cryptogams