Germany. The Federal Minister for Research and Technology. (1989). Environmental research and technology: Programme 1989-1994. The Federal Minister for Research and Technology.
シカゴスタイル引用形Germany. The Federal Minister for Research and Technology. Environmental Research and Technology: Programme 1989-1994. Bonn: The Federal Minister for Research and Technology, 1989.
MLA引用形式Germany. The Federal Minister for Research and Technology. Environmental Research and Technology: Programme 1989-1994. The Federal Minister for Research and Technology, 1989.
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