Kusudatt, Piet O. Annual variation of temperature field and heat transfer undr heat ground surfaces (slab-on-grade floor heat loss calc.) by Piet O. Kusudatt and W. Bean - Washington NBS 1983 - vi, 61p. - NBS building science series 156 . LCCN: 83-600059 Dewey Class. No.: 697.0020183 / N83