paper
5885
5891
1990
5894
1981
5911
1990
5912
1990
5949
2006
5579
1981
5336
1991
5582
1977
5337
1991
5620
5338
1991
5628
5339
1991
5671
1981
5340
1991
5341
1991
5364
1993
5365
2005