Three documents were signed in the presence of Russian Prime Minister Vladimir Putin and Polish Prime Minister Donald Tusk on Tuesday, Itar-Tass reported. The two countries' Foreign Ministries signed an agreement on shipping in the Gulf of Kaliningrad. Russia's Rosatom and the Polish Ministry of Economy signed an agreement on import of waste nuclear fuel from the Polish research reactor to Russia. The two countries' Ministries of Culture signed a protocol on cooperation for 2009-2012.