000 00271nam a2200121Ia 4500
008 220201s1980 xx 000 0 eng d
082 _a620.11
_bNAT
100 _aNat, DS
245 0 _aMaterial & metallurgy
260 _bKatson Pub
_c1980
300 _a224
942 _2ddc
999 _c82016
_d82016