%0 Book Section %A United Nations %T No. 10977. Agreement between the Government of the Polish People’s Republic and the Government of the German Democratic Republic concerning co-operation with regard to navigation in frontier waters. Signed at Warsaw on 15 May 1969 %B Treaty Series 1910 %D 2000 %I United Nations %R doi:https://doi.org/10.18356/fd758b1f-en-fr %U https://www.un-ilibrary.org/content/books/9789210454407s003-c002