Citation of Dissertation

While reading English literature today , I saw a dissertation in his references , It's the first time I've seen , Generally, we seldom quote theses , I think it's interesting , recorded ：
This dissertation is ：

[1] Liu Zhong . be based on DRFM LFM pulse compression radar jamming technology [D]. National University of Defense Science and technology ,2006.

The author's quotation in English literature is ：

Zhong, L.: ‘Jamming technique for countering LFM pulse compression radarbased on digital radio frequency memory’. PhD thesis, National University of Defense Technology, 2006

Do you think the author just quoted a dissertation ？ The most explosive , He also cited an American patent ：

Sparrow, M.J., Cakilo, J.: ‘ECM techniques to counter pulse compression radar’. US Patent 7081846, http://www.freepatentsonline.com/7081846.html,accessed 3 December 2016

It is not enough , To show the charm of Chinese people , He quoted a monograph published in China ：

Mouyan, Z.: ‘Deconvolution and signal recovery’ (National Defense Industry Press, Beijing, 2001)

The following book was published in 2001 The book of ：

This paper is ：

Zhou, C., Q. Liu and X. Chen (2018). “Parameter estimation and suppression for DRFM-based interrupted sampling repeater jammer.” IET RADAR SONAR AND NAVIGATION 12(1): 56-63.

This paper was published by a scholar of Beijing University of technology in 2017 Year of , His references are so vigorous .