P Sommerfeldt
P Sommerfeldt
Comparative Study
Raumforschung und Raumordnung. 1986 Jan-Feb;44(1):1-14. DOI: 1986
U Brosse
U Brosse
[The regional statistical significance of the microcensus in the new states] [0.03%]
新联邦州微观国情调查的地区统计意义分析
H Heidenreich
H Heidenreich
[Major trends in migration in the German Democratic Republic during the period 1981-1989] [0.03%]
[1981至1989年民主德国移民的主要趋势]
E Schmidt,G Tittel
E Schmidt
[Education and migration] [0.03%]
教育与移民
M Wagner
M Wagner
Comparative Study
Raumforschung und Raumordnung. 1987 May-Jun;45(3):97-106. DOI: 1987