01525aam 2200385I 450 991071025930332120160121100810.0GOVPUB-C13-ad121cdd629a085f9ec9f03bde17cab3(CKB)5470000002476693(OCoLC)935500903(EXLCZ)99547000000247669320160121d1982 ua 0engrdacontentrdamediardacarrierA test method and calculation procedure for determining annual efficiency for vented household heaters and furnace equipped with modulating-type controls /Esher Kweller; Robert L. Palla JrGaithersburg, MD :U.S. Dept. of Commerce, National Institute of Standards and Technology,1982.1 online resourceNBSIR ;82-24971982.Contributed record: Metadata reviewed, not verified. Some fields updated by batch processes.Title from PDF title page.Includes bibliographical references.Kweller Esher1394954Kweller Esher1394954Palla Robert L1394675United States.National Bureau of Standards.NBSNBSGPOBOOK9910710259303321A test method and calculation procedure for determining annual efficiency for vented household heaters and furnace equipped with modulating-type controls3481308UNINA