000 00288nam a2200109Ia 4500
008 160710s1948 xx 000 0 und d
100 _aSTEVELS,T.M
245 _aPROGRESS IN THE THEORY OF THE PHYSICAL PROPERTIES OF GLASS
260 _bELBEVIER PUB.
_c1948
300 _a104
942 _2ddc
_cB
999 _c8511
_d8511