Techniques in bioproductivity and photosynthesis / 
edited by United Nations Environment Programme. 
 - 2nd ed. 
 - Oxford :  Pergamon Press,  1985. 
 - 298 p. :  ill. ;  25 cm. 
<br/><br/> Includes bibliographies and index. 
<br/><br/><label>ISBN: </label>0080319998 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Primary productivity (Biology)--Measurement.<br/>Photosynthesis--Measurement.