000 00321nam a2200121Ia 4500
008 220216s9999 xx 000 0 und d
100 _aDawson T R
245 0 _aComparison of acetylene black with gas black and lampblack
260 _bIRI Transactions
_c1929
300 _a48-70
700 _aHartshorne N H
942 _cJS
999 _c55986
_d55986