000 00302nam a2200121Ia 4500
008 160710s1942 xx 000 0 und d
082 _a660 LEI
100 _aLEIGHOU,ROBERT B.
245 _aCHEMISTRY OG ENGINEERING MATERIALS
260 _bMCRAW-HILL BOOK CO.
_c1942
300 _a621
942 _2ddc
_cB
999 _c23136
_d23136