@article{article, title  = {{<sup>13</sup>C n.m.r. study of cellulose nitrates. A comparison between nitration in nitric acid dichloromethane mixes and technical mixed acids}},

 url = {{}},

 year = {{1989}},

 month = {{7}},

 author = {{Short RD and Munro HS and Matthews R and Pritchard T}},

 volume = {{30}},

 journal = {{Polymer communications Guildford}},

 issue = {{7}},

 pages = {{217-220}},

 note = {{Accessed on 2024/12/22}}}