000 00258nam a2200121Ia 4500
003 LDD
040 _cLDD
041 _aen
245 0 _aNature
260 _aMacmillan Magzine Ltd
_bLondon
_c1 Jun-30 Jun,2002
362 _a417-417
_b6889-6892
942 _2ddc
_cJ
999 _c176686
_d176686