000 nam a22 7a 4500
999 _c121477
_d121477
008 200226b xxu||||| |||| 00| 0 eng d
020 _a0276421078
050 _aQB46
_b.E97 1994
245 _aExploring the secret of nature
_bReaders digest
260 _aNY
_bReaders digest
_c1994