remark & fix ref

ref.bib

@@ -32,17 +32,20 @@
 	pages = {1334--1353},
 }
 
-@article{Thorup2008,
+@inproceedings{Thorup_2008,
+	address = {Victoria British Columbia Canada},
 	title = {Minimum k-way cuts via deterministic greedy tree packing},
-	issn = {07378017},
-	url = {http://dl.acm.org/citation.cfm?id=1374402},
-	doi = {10.1145/1374376.1374402},
-	journal = {Proceedings of the 40th annual ACM symposium on …},
+	ISBN = {9781605580470},
+	url = {https://dl.acm.org/doi/10.1145/1374376.1374402},
+	DOI = {10.1145/1374376.1374402},
+	booktitle = {Proceedings of the fortieth annual ACM symposium on Theory of
+	             computing},
+	publisher = {ACM},
 	author = {Thorup, Mikkel},
 	year = {2008},
-	note = {ISBN: 9781605580470},
-	keywords = {k-way cuts, tree packing},
-	pages = {159--165},
+	month = may,
+	pages = {159–166},
+	language = {en},
 }
 
 @article{thorup_fully-dynamic_2007,
@@ -59,5 +62,7 @@
 	month = feb,
 	year = {2007},
 	pages = {91--127},
-	file = {Thorup_2007_Fully-Dynamic Min-Cut.pdf:/Users/congyu/Zotero/storage/Q329VHH3/Thorup_2007_Fully-Dynamic Min-Cut.pdf:application/pdf},
+	file = {Thorup_2007_Fully-Dynamic
+	        Min-Cut.pdf:/Users/congyu/Zotero/storage/Q329VHH3/Thorup_2007_Fully-Dynamic
+	        Min-Cut.pdf:application/pdf},
 }