000 00281pas a2200097 454500
008 160820b1872 xxu||||| |||| 00| 0 eng d
022 _a0161-7370
245 _aPOPULAR SCIENCE
260 _aBOULDER USA
_bTIMES4 MEDIA
_c1872
906 _a272(1), 2008+
_b12/Yr
_cPrint
_dSep,2015 - Aug,2016
999 _c471628
_d471628