A GRAPH THEORETIC APPROACH TO HISTORICAL GEOGRAPHY
(1965). A GRAPH THEORETIC APPROACH TO HISTORICAL GEOGRAPHY. The Professional Geographer: Vol. 17, No. 5, pp. 15-20.
(1965). A GRAPH THEORETIC APPROACH TO HISTORICAL GEOGRAPHY. The Professional Geographer: Vol. 17, No. 5, pp. 15-20.
h-index: Number of publications with at least h citations each.