Showing 1 - 2 results of 2 for search 'Welte, Erwin', query time: 0.01s Refine Results
  1. 1
    Lehrbuch der agrikulturchemie und bodenkunde
    by Scheffer, Fritz, 1899-
    Published 1955
    Other Authors:
    Book
  2. 2
    Protection of water quality from harmful emissions with special regard to nitrate and heavy metals : 1987, 1-4 September, Balatonfüred, Hungary : proceedings
    Other Authors: “…Welte, Erwin, editor literario…”
    Book

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