Anaerobic digestion, 1981 : proceeedings of the Second International Symposium on Anaerobic Digestion, held in Travemunde, Federal Republic of Germany, on 6-11 September 1981 /
editors, D.E. Hughes ... et al.
- Amsterdam : Elsevier Biomedical, 1982
- 429 p. : ill. ; 25 cm.