000 00265pam a2200097a 44500
082 _aTR
_bRI-9292
100 _aHoward W. Kilau
245 1 _aThe influence of sulfate ion on the coal-wetting performance of anionic surfactants
260 _a
_b
_c
997 _aTR6665 C
999 _c405826
_d405826