Hellqvist, M. (1999). Urban and rural environments from Iron Age to medieval time in northern Europe: Evidence from fossil insect remains from south-eastern Sweden and Novgorod, Russia. Distributor, Uppsala University Library.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रHellqvist, Magnus. Urban and Rural Environments from Iron Age to Medieval Time in Northern Europe: Evidence from Fossil Insect Remains from South-eastern Sweden and Novgorod, Russia. Uppsala, Sweden: Distributor, Uppsala University Library, 1999.
एमएलए (8वां संस्करण) प्रशस्ति पत्रHellqvist, Magnus. Urban and Rural Environments from Iron Age to Medieval Time in Northern Europe: Evidence from Fossil Insect Remains from South-eastern Sweden and Novgorod, Russia. Distributor, Uppsala University Library, 1999.
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