000			004360000a22001690004500
245			_aBasic principles of ventilation and heating
100			_aBedford, Thomas _921316
250			_a2nd ed.
260			_aLondon _bLewis _c1964
300			_axii, 438p. : ill., photos.
500			_aBibliography included.
080			_a697 _bB3
650			_aNATURAL VENTILATION
650			_aDOMESTIC HEATING
041			_aEN
942			_cBK _01
999			_c96563 _d96563