TY  - BOOK
AU  - Langar,P.D.
TI  - Air pollution control: operations and strategies 
SN  - 9781682504444
AV  - TD883 A5855
PY  - 2018///]
CY  - New Rochelle, NY
PB  - Magnum Publishing
KW  - Aire
KW  - Purificación
ER  -