[For the direction of development in multi-disciplinary, complex planning, and research methodics (Operation research)]
1979
Marquardt, K.
书目信息
Natur und Landschaft (Germany, F.R.)
卷
54
期
5
ISSN
0028-0615
页码
pp. 147-148
语言
德语
注释
1 ill., 1 table; 3 ref.
1981-06-15
AGRIS AP
