TY  - JOUR
TI  - Determination of optimum insulation thickness by using heating and cooling degree-day values
AU  - ÖZEL, M.
AU  - PIHTILI, K.
JO  - Sigma Journal of Engineering and Natural Sciences
PY  - 2008
VL  - 26
SP  - 191
EP  - 197
DO  - 
ER  -