000			00294nam a2200121Ia 4500
008			251112s9999||||xx |||||||||||||| ||und||
040			_aCNCLSA
245		0	_aNature _bPhysical Science
260			_c1971 _bMacmillan Journals Limited _aUK
300			_aP. 1-180
300			_bV. 234
942			_cJRBV
999			_c13407 _d13407