000			00294nam a2200121Ia 4500
008			251112s9999||||xx |||||||||||||| ||und||
040			_aCNCLSA
245		0	_aNature _bPhysical Science
260			_c1973 _bMacmillan Journals Limited _aUK
300			_aP. 1-168
300			_bV. 241
942			_cJRBV
999			_c13409 _d13409