000 00259nam a2200121Ia 4500
003 LDD
040 _cLDD
041 _aen
245 0 _aNature
260 _aLondon
_bMacmillan Magzine Ltd.
_c1 Apr-30 Apr,1987
362 _a326-326
_b6112-6116
942 _2ddc
_cJ
999 _c192113
_d192113