Mikhailidi A. M., Kotelnikova N. Y. FUNCTIONAL MATERIALS FROM PAPER WASTES. II. CELLULOSE HYDROGELS WITH HIGH WATER RETEN-TION CAPACITY OBTAINED FROM SOLUTIONS OF WASTE PAPER IN DMAC/LiCl // Chemistry of plant raw material, 2021, № 3. P. 83-98 DOI: 10.14258/jcprm.2021039269. URL: https://journal.asu.ru/cw/article/view/9269.