共 20 条
[1]
BOARD C, 1965, FRONTIERS GEOGRAPHIC, P188
[2]
CLARK AH, 1946, PROF GEOGR, V4, P13
[3]
DAVIS CM, 1954, AM GEOGRAPHY INVENTO, P496
[5]
GRAVES N, 1965, SOURCE BOOK GEOGRAPH, P36
[6]
GRIGSBY S, 1949, RURAL SOCIAL ORGANIZ
[7]
HUTCHINGS GE, 1962, GEOGRAPHY, V47, P1
[8]
OUTLINE FOR FIELD WORK IN GEOGRAPHY
[J].
BULLETIN OF THE AMERICAN GEOGRAPHICAL SOCIETY OF NEW YORK,
1915, 47 (07)
:520-525
[9]
MACKIN W, 1956, THESIS U MARYLAND
[10]
*MD FRED CTY PLANN, 1969, NATURAL PHYSICAL CHA