Land Snails and Slugs of Russia and Adjacent Countries
by A. Sysoev and A.A. Schileyko
Atlas of the Fleas (Siphonaptera) of Britain and Ireland
by R.S. George
Land Snails and Slugs of Russia and Adjacent Countries
by A. Sysoev and A.A. Schileyko
Atlas of the Fleas (Siphonaptera) of Britain and Ireland
by R.S. George