paper
5110
1993
5111
1992
5096
1995
5112
1992
5097
1992
5113
212
1985
4837
4838
4839
4840
1982
4841
1982
4842
1982
4843
1982
4844
1982
4872
4981
1989
4982
1989
5060
1990