Unknown. (2023). Progress Report of the Imperial Forest Research Institute for 1906-1907. Superintendent Government Printing.
Chicago-viite (17. p.)Unknown. Progress Report of the Imperial Forest Research Institute for 1906-1907. Superintendent Government Printing, 2023.
MLA-viite (9. p.)Unknown. Progress Report of the Imperial Forest Research Institute for 1906-1907. Superintendent Government Printing, 2023.
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