TY  - BOOK
AU  - De Nevers, Noel,
AU  - 
ED  - 
ED  - 
ED  - 
ED  - 
SN  - 0070613974 (paperback : acid-free)
SN  - 2
PY  - 1995///];copyright 199546
CY  - New York
PB  - McGraw-Hill
KW  - 
KW  - 2
KW  - 0
KW  - 6
KW  - 20
KW  - Pollution.;Purification;Equipment and supplies
KW  - Air;Air
N1  - Includes bibliographical references and index; 5
ER  -