000			00337nam a2200133Ia 4500
008			211109s9999||||xx |||||||||||||| ||und||
082			_a0 _bNAT-N
100			_aNature: V 336,
245		0	_aN 6194 3 Nov 88
260			_bLille Essex Street London _aMacmillan Ltd _c1900
630			_xGeneral stack
650			_vGeneralia
942			_cBOOK
999			_c50886 _d50886