@inproceedings{sgem2013s27011,
  title = {COST REDUCTION FOR SYMMETRIC STRUCTURES COMPARED TO PLAN IRREGULAR ONES},
  author = {Dietlinde Kober},
  booktitle = {SGEM International Multidisciplinary Scientific GeoConference EXPO Proceedings; 13th SGEM GeoConference NANO, BIO AND GREEN   TECHNOLOGIES FOR A SUSTAINABLE FUTURE},
  year = {2013},
  pages = {},
  publisher = {Stef92 Technology},
  doi = {10.5593/sgem2013/bf6/s27.011}
}