Sustaining earth :  response to the environmental threat / 
edited by D.J.R. Angell, J.D. Comer and M.L.N. Wilkinson. 
 - Houndmills, Basingstoke, Hampshire :  Macmillan,  1990. 
 - xvii, 226 p. ;  22 cm. 
<br/><br/><label>ISBN: </label>0333524926 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Economic development--Environmental aspects<br/>Environmental Protection
<br/><br/><label>LC Class. No.: </label>HC79