| 1 | Biopolymers from Renewable Resources, D.I. Kaplan, 2005. |
| 2 | Biodegradable polymers for industrial applications , R. Smith, 2005. |
| 3 | Alginates from Algae”, K.I. Draget, O. Smidsrod, G. Skjak-Braek, 2005. |
| 4 | FAO Fisheries Technical Paper 288, Chapter2, Production, Properties and Uses of Alginates |