00427naa a2200133 a 450000100080000000500110000800800410001910000180006024501090007826000090018770000180019670000200021477300590023410313482009-01-07       2008    bl ---       0--  u    #d1 aBRITTO, D. de  aDetermination of the average degree of quaternization of N,N,N-trimethylchitosan by solid state 13C NMR.  c20081 aFORATO, L. A.1 aASSIS, O. B. G.  tCarbohydrate polymers, Barkinggv. 74, p. 86-91, 2008.