000 00451nam a2200157Ia 4500
008 131223s9999 xx 000 0 und d
040 _aISI KOLKATA
041 _aEnglish
082 _a371.26
_bRb-68-68
100 _aVandeventer Mary
245 _aDevelopment of distance conservation and the spatial coordinate system reconsidered
260 _c1968
440 _aE T S. Princeton: Research bulletin; no 68
650 _aEducation
942 _cBK
999 _c92441
_d92441