paper
5862
5816
1981
5841
1983
5817
1980
5842
1983
5823
5843
1980
5828
1982
5844
1980
5829
1982
5830
1982
5831
1982
5832
1982
5833
1983
5834
1983
5835
1983
5836
1983
5837
1983
5838
1983