by PIIPPONEN, JUHA, TIENARI, OSSI
Year of Publication 30.04.1991

by OSSI TIENARI, M MARKKU LAUNIEMI
Year of Publication 22.05.1998

by JUHA PIIPPONEN, OSSI TIENARI
Year of Publication 21.11.1990

by PIIPPONEN JUHA, TIENARI OSSI
Year of Publication 11.06.1990

by JUHA PIIPPONEN, OSSI TIENARI
Year of Publication 18.05.1990

by PIIPPONEN,JUHA, TIENARI,OSSI
Year of Publication 10.05.1990

by JUHA PIIPPONEN, OSSI TIENARI
Year of Publication 08.03.1990

by PIIPPONEN, JUHA, TIENARI, OSSI
Year of Publication 31.01.1990

by PIIPPONEN JUHA, TIENARI OSSI
Year of Publication 15.11.1989

by PIIPPONEN; JUHA, TIENARI; OSSI
Year of Publication 18.07.1989

by JUHA PIIPPONEN, OSSI TIENARI
Year of Publication 30.09.1988

by JUHA PIIPPONEN, OSSI TIENARI
Year of Publication 28.09.1988

by PIIPPONEN, JUHA, TIENARI, OSSI
Year of Publication 24.09.1988

by JUHA PIIPPONEN, OSSI TIENARI
Year of Publication 22.09.1988

by JUHA PIIPPONEN, OSSI TIENARI
Year of Publication 31.08.1988

by PIIPPONEN, JUHA, TIENARI, OSSI
Year of Publication 23.03.1987

by OSSI TIENARI, M MARKKU LAUNIEMI
Year of Publication 08.11.1994

by OSSI TIENARI, M MARKKU LAUNIEMI
Year of Publication 08.11.1994

by PELTONEN,VESA, LAUNIEMI,MARKKU, TIENARI,OSSI
Year of Publication 15.08.2000

by TIKKANEN, TAUNO, JOKISALO, OLLI, JANTUNEN, HEIKKI, TIENARI, OSSI, PELTONEN, VESA
Year of Publication 15.07.2004