Merge branch 'master' of http://git.trustie.net/Dan_Hao/software-strategy-book

# Conflicts:
#	references.bib

references.bib

@@ -1,3 +1,4 @@
+
 @Book{brooks1995the,
  author = {Brooks, Frederick},
  title = {The mythical man-month : essays on software engineering},
@@ -20,6 +21,34 @@ doi={10.1109/MC.1987.1663532},
 ISSN={1558-0814},
 month={April},}
 
+
+@book{bluebook2018,
+ author = {中国电子信息产业发展研究院},
+ title = {2017-2018年中国软件产业发展蓝皮书},
+ publisher = {人民出版社},
+ year = {2018}
+}
+
+
+@techreport{baobiao2020,
+ author = {工信部},
+ title = {2019年全国软件和信息技术服务业主要指标快报表},
+ institution = {工信部},
+ year = {2020},
+ month = {2},
+ address = {http://www.miit.gov.cn/n1146312/n1146904/n1648374/c7663942/content.html}
+}
+
+@techreport{ITIndustryOutlook2020,
+ author = {美国计算机行业协会（CompTIA）},
+ title = { IT Industry Outlook 2020},
+ institution = {美国计算机行业协会（CompTIA）},
+ year = {2020},
+ month = {1},
+ address = {https://www.comptia.org/content/research/it-industry-trends-analysis}
+}
+
+
 @inproceedings{10.1145/2830903.2830906,
 author = {Liskov, Barbara},
 title = {Perspectives on System Languages and Abstraction},