000 00319pam a2200121a 44500
008 230405s2012 xxu||||| |||| 00| 0 eng d
041 _aMAR
100 _aNone
245 _aFirst reference for young redars & write Nature encyclopedia
260 _a
_bDorling Kindersley Ltd
_c2012
300 _a125p.
906 _a16872
999 _c307371
_d307371