000 00299nam a2200133Ia 4500
008 220201s1977 xx 000 0 eng d
082 _a620.11
_bNAT
100 _aNat, DS
245 0 _aMaterials & Metallurgy
250 _a2nd
260 _bKatson Pub. House
_c1977
300 _a203
942 _2ddc
999 _c80617
_d80617