TY  - JOUR
AU  - Hans Melissen
TI  - Densest Packing of Six Equal Circles in a Square.
JO  - Elemente der Mathematik
PY  - 1994
SP  - 27
EP  - 31
VL  - 49
IS  - 1
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/ELMA_1994__49_1_141556/
ID  - ELMA_1994__49_1_141556
ER  -