Day, Robert L <br/><br/>
Fly ash and coal conversion by-products; characterization and disposal VI Vol. 178 - symposium held at Boston from 29 November to 1 December 1989 

 - Pennsylvania  MRS  1990 
 - ix+292p 
 -  Materials research society symposium series .
<br/><br/><label>Universal Decimal Class. No.: </label>662.613.13'66.002.67  / DAY.92-VI