000 00304nam a2200121Ia 4500
008 161118s2016 xx 000 0 und d
082 _a670.423 CHA-E
100 _aChampman, W.A.J.
245 0 _aElementry workshop calcultaions
260 _aLondon
_bEdward Arnold
_c1972
300 _a259p
942 _2ddc
999 _c18031
_d18031