| http://www.w3.org/ns/prov#value | - Heap et al. states: that cellulose plastics such as the acetate, acetate-butyrate, and propionate, as well as ethyl cellulose and benzyl cellulose are reported to be fairly resistant to attack by micro-organisms, although their susceptibility can be affected by the type of plasticiser used; and that this is in contrast to cellulose and cellulose nirate which appear to be appreciably susceptible to
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