fix protocols io refs and contents section headers

Author: bbartholdy

book.bib

@@ -168,11 +168,14 @@ @article{armitageExtractionIdentification1975
 }
 
 @article{aronHalfUDG2020,
-  title = {Half-{{UDG}} Treated Double-Stranded Ancient {{DNA}} Library Preparation for Illumina Sequencing v1 [{{Data}} Set]},
-  author = {Aron, F and Neumann, GU and Brandt, G},
+  title = {Half-{{UDG}} Treated Double-Stranded Ancient {{DNA}} Library Preparation for {{Illumina}} Sequencing},
+  author = {Aron, Franziska and Neumann, Gunnar and Brandt, Guido},
   year = {2020},
-  journal = {protocols. io},
-  publisher = {{ZappyLab, Inc Los Gatos, CA}}
+  month = dec,
+  journal = {protocols.io},
+  doi = {10.17504/protocols.io.bmh6k39e},
+  abstract = {Protocol for the preparation of double-stranded genomic libraries for Illumina sequencing, optimised for ancient DNA (aDNA) with partial USER enzyme treatment. This protocol gen...},
+  langid = {english}
 }
 
 @article{asscherAtomicDisorder2011,
@@ -4312,11 +4315,14 @@ @article{srdjenovicSimultaneousHPLC2008
 }
 
 @article{stahlDoublestrandedIndexing2019,
-  title = {Illumina Double-Stranded {{DNA}} Dual Indexing for Ancient {{DNA}} v1 [{{Data}} Set]},
-  author = {Stahl, R and Warinner, C and Velsko, I and Orfanou, E and Aron, F and Brandt, G},
-  year = {2019},
-  journal = {protocols. io},
-  publisher = {{ZappyLab, Inc Los Gatos, CA}}
+  title = {Illumina Double-Stranded {{DNA}} Dual Indexing for Ancient {{DNA}}},
+  author = {Stahl, Raphaela and Warinner, Christina and Velsko, Irina and Orfanou, Eleftheria and Aron, Franziska and Brandt, Guido},
+  year = {2020},
+  month = dec,
+  journal = {protocols.io},
+  doi = {10.17504/protocols.io.4r3l287x3l1y/v3},
+  abstract = {This protocol converts partially completed double-stranded DNA libraries e.g. from:  Non-UDG treated double-stranded ancient DNA library preparation for Illumina sequencing (dx....},
+  langid = {english}
 }
 
 @article{Standards1994,