Zemnoĭ magnetizm Orenburgskago krai︠a︡
Subtitle: magnitnye nabli︠u︡denii︠a︡, proizvedennyi︠a︡ A.A. Tillo i A.I. Ovodovym, v Orenburgskom krai︠e︡, v 1869, 1870 i 1871 godakh
Series: Izdanie Orenburgskago otdi︠e︡la I. Russkago geograficheskago obshchestva
Publisher: Tip. I. Akademii nauk
Published: 1872
Place of publication: St.-Peterburg
Language: rus
Number of pages: 65
Notes: Title also in English: Terrestrial magnetism of the country of Orenburg, 1830-1870.