ASME boiler and pressure vessel committee subcommittee on heating boilers, Subgroup on care and operation of heating boilers (SC IV)The American Society of Mechanical Engineers1986
ASME boiler and pressure vessel committee subcommittee on heating boilers, Subgroup on care and operation of heating boilers (SC IV)American Society of Mechanical Engineers1986.
ASME Boiler and Pressure Vessel Committee Subcommittee on Heating Boilers, Subgroup on Care and Operation of Heating Boilers (SC IV)The American Society of Mechanical Engineers1977
ASME Boiler and Pressure Vessel Committee Subcommittee on Heating Boilers, Subgroup on Care and Operation of Heating Boilers (SC IV)American Society of Mechanical Engineers1977.