000 00310nam a22001217aa4500
008 120319n xxu||||| |||| 00| 0 eng d
041 _aeng
245 1 _aAmerican science series-advanced course.
260 _aNew York :
_bHenry Holt and company.
300 _av. ;
_c22 cm.
942 _2ddc
_cSC
_fSEC
001 4842
999 _c4842
_d4842