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  1. 1

    Farmer scientists reaps many benefits from biogas digester. af Abello, Melpha M.

    Udgivet i Agriculture (2009)
    Article
  2. 2

    Increased biogas production from swine waste by using microbial additives af Li Ming Wai

    Udgivet 1991
    Thesis
  3. 3

    The Conversion of sludge into utilizable gas af Lastrilla, Evelina

    Udgivet 1978
    Thesis
  4. 4

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