@inproceedings{2a72c985f8414cbe8981983198d67ec1,
title = "Research on voltage sag calculation in network information systems and power quality products",
keywords = "power, products, quality, power, products, quality, power, products, quality",
author = "Pirjo Heine and Pasi Pohjanheimo and Erkki Lakervi",
year = "1999",
language = "English",
pages = "55--60",
booktitle = "Second International Meeting on Systems Technologies for Unbundled Power Quality Services, Gainesville, USA, February 5-7, 1999",
}