TY  - JOUR
AU  - Beineke, L. W.
AU  - Pippert, R. E.
TI  - On the enumeration of planar trees of hexagons
JO  - Glasgow mathematical journal
PY  - 1974
SP  - 131
EP  - 147
VL  - 15
IS  - 2
UR  - http://geodesic.mathdoc.fr/articles/10.1017/S0017089500002305/
DO  - 10.1017/S0017089500002305
ID  - 10_1017_S0017089500002305
ER  -