@techreport {1968,
	title = {Window 4.0: Documentation of Calculation Procedures},
	year = {1993},
	abstract = {<p>WINDOW 4.0 is a publicly available IBM PC compatible computer program developed by the Building Technologies Group at the Lawrence Berkeley Laboratory for calculating the thermal and optical properties necessary for heat transfer analyses of fenestration products. This report explains the calculation methods used in WINDOW 4.0 and is meant as a tool for those interested in understanding the procedures contained in WINDOW 4.0. All the calculations are discussed in the International System of units (SI).</p>},
	author = {Elizabeth U. Finlayson and Dariush K. Arasteh and Charlie Huizenga and Michael D. Rubin and M. Susan Reilly}
}
