fixes

main.bib

@@ -1342,3 +1342,30 @@ For additional {GBD} results and resources, visit the {GBD} 2019 Data Resources
 	date = {2019},
 	file = {background_female_reproductive_organs:/home/alex/Zotero/storage/5MAJ4CG5/background_female_reproductive_organs.png:image/png},
 }
+
+@book{hamilton_time_1994,
+	location = {Princeton (N.J.)},
+	title = {Time series analysis},
+	isbn = {978-0-691-04289-3},
+	publisher = {Princeton university press},
+	author = {Hamilton, James Douglas},
+	date = {1994},
+	file = {PDF:/home/alex/Zotero/storage/J8GVKKHG/Hamilton - 1994 - Time series analysis.pdf:application/pdf},
+}
+
+@book{cryer_time_2008,
+	location = {New York},
+	edition = {2nd ed},
+	title = {Time series analysis: with applications in R},
+	isbn = {978-0-387-75958-6 978-0-387-75959-3},
+	series = {Springer texts in statistics},
+	shorttitle = {Time series analysis},
+	pagetotal = {491},
+	publisher = {Springer},
+	author = {Cryer, Jonathan D. and Chan, Kung-sik},
+	date = {2008},
+	langid = {english},
+	note = {{OCLC}: ocn191760003},
+	keywords = {Data processing, R (Computer program language), Time-series analysis},
+	file = {PDF:/home/alex/Zotero/storage/CIYMBUEW/Cryer and Chan - 2008 - Time series analysis with applications in R.pdf:application/pdf},
+}