ma: update bibliography

ma/safety_reset.bib

@@ -915,4 +915,41 @@
   url         = {https://purehost.bath.ac.uk/ws/files/134381670/a_comparative_study_between_diode_and_thyristor_based_AC_to_DC_converters_for_aluminium_smelting_process.pdf},
 }
 
+@TechReport{wright01,
+  author      = {Paul S. Wright},
+  date        = {2019},
+  institution = {UK National Physical Laboratory},
+  title       = {Library of ROCOF Test Waveforms – Pseudo Code, V1.0, May 2019.},
+  doi         = {10.5281/zenodo.3559798},
+}
+
+@TechReport{hp01,
+  date        = {1997},
+  institution = {Hewlett Packard},
+  title       = {Application Note 200-2: Fundamentals of Quartz Oscillators},
+}
+
+@WWW{netze01,
+  author       = {Adrian Cramer},
+  date         = {2015},
+  title        = {Bedienhandbuch "Smart Meter"},
+  url          = {https://www.nbl-badlangensalza.de/fileadmin/Netze/Dokumente/Benutzerhandbuch_NBL-Smart_Meter_V.1.0_.pdf},
+  organization = {{NETZE Bad Langensalza GmbH}},
+}
+
+@Book{steinbach01,
+  date      = {2018},
+  title     = {MsbG : Kommentar zum Messstellenbetriebsgesetz},
+  editor    = {Armin Steinbach and Michael Weise},
+  isbn      = {9783110555882},
+  publisher = {De Gruyter},
+}
+
+@TechReport{bmwe01,
+  date        = {2019},
+  institution = {Bundesministeriums für Wirtschaft und Energie},
+  title       = {Gutachten Digitalisierung der Energiewende},
+  url         = {https://www.bmwi.de/Redaktion/DE/Publikationen/Studien/digitalisierung-der-energiewende-thema-1.pdf?__blob=publicationFile&v=4},
+}
+
 @Comment{jabref-meta: databaseType:biblatex;}