000 00266nam a2200109Ia 4500
008 220201s1957 xx 000 0 eng d
100 _aLevens, AS
245 0 _aGraphics in engg. & science
260 _bLondon: MacMillan & Hall
_c1957
300 _a696
942 _2ddc
999 _c70678
_d70678