%0 Generic %E Webb, Sandy. %E Whitefield, Philip D. %@ 9780309117395 %@ 0309117399 %T Research needs associated with particulate emissions at airports / %U http://onlinepubs.trb.org/onlinepubs/acrp/acrp_rpt_006.pdf %U http://www.trb.org/news/blurb_browse.asp?id=136