Royal commission on environmental pollution :  chairman : Sir Eric Ashby / 

 - London :  Her Majesty's Stationery Office,  1973. 
 - 51p. : 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Environmental pollution
<br/><br/><label>Dewey Class. No.: </label>333.7  / MAJ.R