Israelsen et al., 1978. Anim. Feed Sci. Technol., 3: 227-234

Israelsen, M. ; Rexen, B. ; Thomsen, K. V., 1978. Cellulase insoluble fibre as a measure of unavailable organic matter in cattle compounds containing alkali-treated straw. Anim. Feed Sci. Technol., 3: 227-234