000 00311nam a2200121Ia 4500
008 170101s1961 xx 000 0 und d
082 _a651.26 S18P
100 _aSCHECLE, Martin
245 0 _aPunch cards methods in research and documentation
260 _bLudhiana
_c1961
300 _axiv,274p
942 _2ddc
_cB
999 _c9415
_d9415