000			00251nam a2200121Ia 4500
008			251112s9999||||xx |||||||||||||| ||und||
040			_aCNCLSA
245		0	_aNature
260			_cMarch, 2001
300			_aP. 1-796
300			_bV. 165
942			_cJRBV
999			_c20194 _d20194