The greenhouse effect and primary productivity in European agro-ecosystems :  proceedings ... Wageningen 5-10 April 1990 / 
editors J. Goudriaan, H. van Keulen and H. H. van Laar 
 - Wageningen :  Pudoc,  1990 
 - 90 p. ;  23 cm. 
<br/><br/><label>ISBN: </label>9022010260 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Greenhouse effect, Atmospheric--Europe<br/>Greenhouse--Europe--Environmental engineering