@inbook{b1aa5cd1dc614e91b5c89de96d20ed3a,
title = "On-line determination of vertical distribution of filler materials in paper using X-ray techniques",
author = "J. Kuusi and Heikki Kumpulainen",
year = "1983",
language = "English",
isbn = "951-666-159-9",
series = "Acta polytechnica Scandinavica: Ph Applied Physics Series",
publisher = "Finnish Academies of Technology",
pages = "90--96",
editor = "V{\"a}in{\"o} Kelh{\"a} and Mauri Luukkala and Turkka Tuomi",
booktitle = "Topics in technical physics",
}