On oa.doria.fi, search for publications related to 'Maanpuolustuskorkeakoulu'. Filter these results to show only publications from 1980 to 1989. Identify the oldest publication from this filtered list and state its title, author, publication year, and confirm if any explicit licensing terms are mentioned on its detailed page.
Navigate to oa.doria.fi. In the main search bar, enter 'Maanpuolustuskorkeakoulu'. Execute the search. On the search results page, locate and apply the 'Julkaisuaika' (Publication time) filter for the range '1980 - 1989'. Identify the oldest publication from the filtered results based on its publication year. Extract the title, author, and publication year of this oldest publication. Click on the oldest publication to view its detailed page. Identify and state whether any explicit licensing terms are mentioned for this publication on its detailed page.
Successfully perform a search for 'Maanpuolustuskorkeakoulu'. Correctly apply the publication year filter '1980 - 1989'. Identify the oldest publication as 'Jääkäreiden toimittama "Suomalainen Sotilaskäsikirja" ja sen merkitys itsenäisen Suomen puolustusvoimille'. State the author as 'Seppo Haario' and the publication year as '1981'. State that no explicit licensing terms are mentioned on the publication's detailed page.