1.

Technical Paper

Technical Paper
Luoma,Marjo ; Lappi,Pekka ; Lylykangas,Reijo
Pub. info.: U.S. and European automotive emissions technology.  pp.187-198,  1993.  Society of Automotive Engineering, Inc.
Title of ser.: SAE special publication
Ser. no.: SP-957
2.

Technical Paper

Technical Paper
Luoma,Marjo ; Harkonen,Matti ; Lylykangas,Reijo ; Sohlo,Jorma
Pub. info.: Low emission vehicle technologies.  pp.89-100,  1997.  Society of Automotive Engineering, Inc.
Title of ser.: SAE special publication
Ser. no.: SP-1260