000			003580000a22001450004500
245			_aCoal conservation technology
100			_aWen, C.Y. ed.
100			_aLee, E.S. ed.
260			_aLondon _bAddison-wesley _c1979
440			_aEnergy science and technology ; no.2
020			_a0201083000
080			_a662.74 _bW4
041			_aEN
942			_cBK
999			_c112607 _d112607