美国政府科技报告的调查分析——关于近几年来发行数量减少问题
2000-03-30分类号：G327.12
【部门】北京文献服务处!北京100036
【摘要】The number of the scientific and technical reports distributed openly by USNTIS in recent years is decreasing.The paper analyzes the cause for the reduction of the distribution volume.
【关键词】S & T report US distribution
【基金】
【所属期刊栏目】情报理论与实践
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