Pollard, E. <br/><br/>
Monitoring butterflies for ecology and conservation :  the British butterfly monitoring scheme / 
E. Pollard, T.J. Yates. 
 - 1st ed. 
 - London, UK ;   New York, NY, USA :  Chapman & Hall,   1993. 
 - xiii, 274 p. :  ill., maps ;   24 cm. 
 - Conservation biology series ;   1 .
<br/><br/> "Published in association with the Institute of Terrestrial Ecology (Natural Environmental Research Council) and the Joint Nature Conservat ion Committee." 
<br/><br/>Includes bibliographical references (p. [255]-265) and indexes. 
<br/><br/><label>ISBN: </label>0412402203 (acidfree paper) 
<br/><br/><label>LCCN: </label>93-012557 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Butterflies-- Ecology--Great Britain.<br/>Butterflies-- Monitoring--Great Britain.<br/>Wildlife conservation--Great Britain.
<br/><br/><label>Dewey Class. No.: </label>595.789