Degelman, L.O. <br/><br/>
Bin weather data for simplified energy calculations and variable base degree-day information / 
L.O. Degelman 
 - Diliman, Quezon City :  Planning Resources and Operations Systems,   Inc.  c 
 - various paging ;  28 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Solar heating.<br/>Heating--Costs.<br/>Air conditioning--Estimates.