Heslop-Harrison, John <br/><br/>
New concepts in flowering-plant taxonomy 
By J. Heslop-Harrison ; with a foreword by W. B. Turrill 
 - London  Heinemann  1969 
 - viii, 134 p. : ill. ; 18 cm. 
 - The Scholarship series in biology .
<br/><br/>Bibliography: p. 129. 
<br/><br/><label>ISBN: </label>0435613901 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Botany--Classification<br/>Botany--Variation