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  1. Ptitsy gansuiskago puteshestviia G. N. Potanina 1884-1887 : materialy po ornitologii Kitaia, glavnym obrazom iuzhnoi chasti provintsii Gansy /
    By: Berezovskii, Mikhail Mikhailovich. - Bianchi, Valentin Lvovich, - Potanin, G. N.
    Publication info: Sanktpeterburg :Tip. I. Akademii nauk,1891.
    Holding Institution: Smithsonian Libraries
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