000 00274nam a2200121Ia 4500
100 _aSarkar, A. K
020 _a0-900-54120-2
942 _cBK
245 _aFluorescent whitening agents
260 _aMerrow publ., England
_c1971
082 _a677.0283 Sar
300 _av, 110
999 _c67219
_d67219