Martin E. Mosely, F.R.E.S. <br/><br/>
A revision of the genus leptonema 

 - London  The trustees  1933 
 -  69p. : ill ; 24 cm 
<br/><br/><label>Subjects--Topical Terms: </label><br/>1933<br/>Science
<br/><br/><label>Universal Decimal Class. No.: </label>3  / C6