000 00305 a2200121 4500
080 _a553.61:665.3/.5
_bS 14 B
245 1 _aBleachig earths
_cby M.K.H. Siddiqui
260 _aLondon
_bPergamon Press
_c1968
650 _aBleaching Earths
100 1 _aSiddiqui, M.K.H.
_d
300 _a86 p.
901 _a122396
999 _c68916
_d68916