id author title date pages extension mime words sentence flesch summary cache txt crl-16607 Zhang, Li Analyzing Citation and Research Collaboration Characteristics of Faculty in Aerospace, Civil and Environmental, Electrical and Computer, and Mechanical Engineering 2018-02-27 21 .pdf application/pdf 8530 316 32 Additionally, in the research works of aerospace, civil and environmental, and electrical and computer engineering faculty, nearly 80 percent of book citations were less than 25 years old. The observation agreed with previous citation studies related to engineering faculty or professional engineers (see the literature review section). cache/crl-16607.pdf txt/crl-16607.txt