PDF of the paper available without paywall here: http://www.lunduniversity.lu.se/o.o.i.s?id=12683&postid=4002358 http://www.lunduniversity.lu.se/o.o.i.s?id=126

PDF of the paper available without paywall here: http://www.lunduniversity.lu.se/o.o.i.s?id=12683&postid=4002358 http://www.lunduniversity.lu.se/o.o.i.s?id=12683&postid=4002...