L1 - http://www.journals.pan.pl/Content/105795/PDF/10.1515bpasts-2017-0095.pdf L2 - http://www.journals.pan.pl/Content/105795 PY - 2017 IS - No 6 (Special Section on Civil Engineering – Ongoing Technical Research. Part II) EP - 890 DO - 10.1515/bpasts-2017-0095 A1 - Tabaka, P. A1 - Rozga, P. VL - 65 DA - 2017 T1 - Assessment of methods of marking LED sources with the power of equivalent light bulb SP - 883 UR - http://www.journals.pan.pl/dlibra/publication/edition/105795 T2 - Bulletin of the Polish Academy of Sciences Technical Sciences