000			00550nam a22002057a 4500
999			_c10875 _d10875
003			OSt
005			20190614045253.0
008			181204b ||||| |||| 00| 0 eng
040			_aOSt _cOSt _dOSt _beng
082			_a550 / B465w
100			_aBethers, Ray. _9158020
245	1	0	_aWhat happens in the underground? / _cRay Bethers.
250			_a1st ed.
260			_aLondon : _bMacmillan, _c1962.
300			_a47 p. : _bills. ; _c26 cm.
490			_aThe our world series.
508			_a314
650			_aEarth sciences. _9164282
942			_2ddc _cBK