Chemistry and Biochemistry
Stedman, D. H.; Identification of Polluting Vehicles by Remote Sensing, National Council of State Legislatures, Ground Transportation for the 21st Century 1999, F. Kreith et al, Appendix D:162 - 164.
Paper in Ground Transportation for the 21st Century. Copyright held by the author, published by National Conference of State Legislatures. User is responsible for all copyright compliance.