他们的被引用次数不成比例。
美国语言学家乔姆斯基在上世纪90年代就成了目前健在的论文被引用次数最多的人。
American linguist Chomsky in the late 90's to become the present living paper cited the most often.
之前一些研究结果显示，免费论文的下载和被引用次数高于那些需要付费订阅的论文，霍顿的研究模型便基于这些研究。
Houghton's model relies on studies suggesting that free papers are downloaded and cited more often than papers available only by subscription.
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