000 00282nam a2200109Ia 4500
008 220204s9999 xx 000 0 und d
082 _a677.47
_bTRU
100 _aTruter, E V
245 0 _aNatural protein fibres: basic chemistry
260 _aLondon
_bElek Science
_c1973
942 _cBK
999 _c36063
_d36063