1987 | volume 43 | issue 1 | pages 57–58

1983 | volume 39 | issue 1 | pages 53–60

1982 | volume 38 | issue 1-2 | pages 101–112

1971 | volume 27 | issue 2 | pages 17–54

1970 | volume 26 | issue 2 | pages 29–33

1964 | volume 20 | issue 5 | pages 285–287