Železnyj inventar' polomskoj kul'tury (po materialam Varninskogo archeologičeskogo kompleksa). (Iron artefacts of Polomskaya culture (according to the material of Varni archeological assemlage) - Zav'jalov, Vladimir Igorevič (Kratkie Soobščenija Instituta Archeologii (Moskva), 213 (2002), 2002)