TY - RPRT TI - Guideline for the implementation of coexistence for low frequency narrowband power line communication standards in the smart grid : smart grid inoperability panel, priority action plan 15 - power line communications AU - Su, David PY - 2013 PB - National Institute of Standards and Technology SN - NIST IR 7943 DO - 10.6028/NIST.IR.7943 ER -