TY  - JOUR
AU  - N.L. Johnson
TI  - A note on the derived semifiled planes of order 16. (Short Communication).
JO  - Aequationes mathematicae
PY  - 1977
SP  - 319
EP  - 319
VL  - 16
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/AM2_1977__16_136713/
ID  - AM2_1977__16_136713
ER  -