updated the tech note

tex/minimap2.bib

@@ -281,3 +281,19 @@
 	Journal = {arXiv:1111:5572},
 	Title = {Faster and More Accurate Sequence Alignment with SNAP},
 	Year = {2011}}
+
+@article{Irimia:2008aa,
+	Author = {Irimia, Manuel and Roy, Scott William},
+	Journal = {PLoS Genet},
+	Pages = {e1000148},
+	Title = {Evolutionary convergence on highly-conserved 3' intron structures in intron-poor eukaryotes and insights into the ancestral eukaryotic genome},
+	Volume = {4},
+	Year = {2008}}
+
+@article{Depristo:2011vn,
+	Author = {Depristo, Mark A and others},
+	Journal = {Nat Genet},
+	Pages = {491-8},
+	Title = {A framework for variation discovery and genotyping using next-generation {DNA} sequencing data},
+	Volume = {43},
+	Year = {2011}}