%0 Journal Article
%A Nasim A Mullen
%A Seema Bhangar
%A Susanne V Hering
%A Nathan M Kreisberg
%A William W Nazaroff
%B Indoor Air
%D 2011
%G eng
%P 77-87
%T Ultrafine particle concentrations and exposure in six school classrooms in northern California
%V 21