| 1991 - 436 sider
Vols. for 1963- include the Director's report, 1961/62- | |
| 1991 - 248 sider
Vols. for 1963- include the Director's report, 1961/62- | |
| 1989 - 298 sider
Vols. for 1963- include the Director's report, 1961/62- | |
| 1989 - 186 sider
Vols. for 1963- include the Director's report, 1961/62- | |
| 1988 - 732 sider
Vols. 1-18, 1963-80, include the Director's report, 1961/62-1978/79; v. 25, 1987 includes "Summary of annual reports of the institute 1980 to 1986"; v. 26- , 1988- , include ... | |
| 1987 - 404 sider
Vols. for 1963- include the Director's report, 1961/62- | |
| 1987 - 218 sider
Vols. for 1963- include the Director's report, 1961/62- | |
| 1986 - 238 sider
Vols. for 1963- include the Director's report, 1961/62- | |
| 1985 - 658 sider
Vols. for 1963- include the Director's report, 1961/62- | |
| 1985 - 212 sider
Vols. for 1963- include the Director's report, 1961/62- | |
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