000 00326 am a2200121 a 4500
100 1 _aCrookshank, H.
245 1 _aIndian refractory clays
260 _aNew Delhi
_bIndustrial Research Bureau
_c1939
300 _a63 p.
942 _2udc
_cB
440 _aClay Bulletin of the Indian Industrial Research No. 14
901 _aS7359
999 _c100949
_d100949