000 00300nam a2200121Ia 4500
008 220201s1969 xx 000 0 eng d
082 _a620.3
100 _aSchenck, Hilbert
245 3 _aAn Introduction to the engineering
260 _bNewyork:Mc graw hill co
_c1969
300 _a178
942 _2ddc
999 _c75595
_d75595