000 00248nam a2200109Ia 4500
008 221001s1980 xx 000 0 eng d
082 _a510 SLI
245 0 _aSlide rule notes
260 _aLondon
_bMethnen
_c1980
300 _a62p.
942 _2ddc
_cBK
999 _c26118
_d26118