National Transfer Format, Release 1.0, January, 1987." By The Working Party to Produce National Standards for the Transfer of National Digital Map Data. (Southampton: The NTF Secretariat, Ordnance Survey, 1987. [Pp. 191: appendices and looseleaf annex.]

Harold Moellering. National Transfer Format, Release 1.0, January, 1987." By The Working Party to Produce National Standards for the Transfer of National Digital Map Data. (Southampton: The NTF Secretariat, Ordnance Survey, 1987. [Pp. 191: appendices and looseleaf annex.]. International Journal of Geographical Information Science, 2(3):289-292, 1988. [doi]