1. Rombouts FM, Pilnik W (1978) Process Biochem 13:9
2. Pilnik W, Voragen AGJ (1970) Pectic subtances and other uronides. In: Hulme AC (ed) The biochemistry of fruits and their products, Vol 1. Academic Press, New York, p 53
3. Voragen AGJ, Pilnik W (1981) Flüss Obst 48:261
4. Trowell H (1976) Am J Clin Nutr 29:417
5. Cummings JH, Southgate DAT, Branch W, Houston H, Jenkins DJA, James WPT (1978) Lancet 1:5