%0 Journal Article
%A N.L. Johnson
%T A note on the derived semifiled planes of order 16. (Short Communication).
%J Aequationes mathematicae
%D 1977
%P 319-319
%V 16
%I mathdoc
%U http://geodesic.mathdoc.fr/item/AM2_1977__16_136713/
%F AM2_1977__16_136713