Merge pull request #58 from FireDynamics/development

adding reference

Author: kriboe90

book/content/references.bib

@@ -200,6 +200,14 @@ @techreport{VDI-6019-2
 institution = {VDI}
 }
 
+@techreport{ASTM:E1355,
+year         = {2012},
+author = {{ASTM}}, 
+title        = {{ASTM E1355-12, Standard Guide for Evaluating the
+              Predictive Capabilities of Deterministic Fire Models}},
+institution = {American Society for Testing and Materials}
+}
+
 @article{Hehnen.2020, 
 year = {2020}, 
 title = {{Numerical Fire Spread Simulation Based on Material Pyrolysis—An Application to the CHRISTIFIRE Phase 1 Horizontal Cable Tray Tests}},