TY - ADVS TI - Electricity for refrigeration, heating and air conditioning: alternating current, power distribution, and voltage systems SN - 1401817076 (set) PY - 2003/// CY - Clifton Park, NY PB - Thomson/Delmar Learning KW - Electric currents, Alternating KW - Electric power distribution KW - Voltage regulators N1 - VID 020 ER -