TY - BOOK AU - Martin, Paul. AU - Servatius, Brigitte TI - The optimal level of insulation in home attic SN - 0746-8342 U1 - DPer 510.5 C697 Jan 2012-Sept 2015 v. 43 & 46, n. 1-4 PY - 2012///-Sept 2015 CY - Washington D. C. PB - Mathematical Association of America KW - Mathematics KW - Research project ER -