TY - BOOK ID - 132234681 TI - Air pollution handbook AU - Magill, Paul L. AU - Holden, Francis R. AU - Ackley, Charles PY - 1956 PB - New York, N.Y. McGraw-Hill DB - UniCat KW - Air pollution. Air purification UR - https://www.unicat.be/uniCat?func=search&query=sysid:132234681 AB - ER -