*0011685972 *008960311s1995 xx# 000 0 nob *019 $bk *08230$a516.2 *245 $aEqual distance sums in the plane$cIstván Beck ... [et al.] *300 $aS. 150-161 *700 $aBeck, István$_167577400 *773 $tNormat$gÅrg. 43, h. 4 (1995)$x0801-3500$w(NO-LaBS)247358(tnr) *999 $z9600201113$anorart:9600201113 ^