TY  - JOUR
AU  - Knuth, Donald E.
TI  - Aztec diamonds, checkerboard graphs, and spanning trees
JO  - Journal of Algebraic Combinatorics
PY  - 1997
SP  - 253
EP  - 257
VL  - 6
IS  - 3
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/JAC_1997__6_3_a4/
LA  - en
ID  - JAC_1997__6_3_a4
ER  -