By Kember I. D.   in The Cartographic Journal

ISSN:1743-2774|8|1|13-20

Maney Publishing‎(1971)‎

Access to resources Favorite 3.9698458

By Kember I. D.   Wason H. R.   in Survey Review

ISSN:1752-2706|25|193|142-144

Maney Publishing‎(1979)‎

Access to resources Favorite 2.9773843