E. Coppinger

Report on the design and operation of a full-scale anaerobic dairy manure digester. Final report

E. Coppinger, J. Brautigam, J. Lenart, 1979 .

Operation and evaluation of a 50,000 gallon anaerobic digester at the State Honor Farm Dairy, Monroe, Washington. Final report, 1977-1978

K. Smith, E. Coppinger, D. Baylon, 1978 .