000 00289pas a2200097 454500
008 160820b xxu||||| |||| 00| 0 eng d
022 _a
245 _aPUBLICATIONS OF THE NATIONAL ACADEMY OF SCIENCES
260 _aWASHINGTON, DC
_bNATIONAL ACADEMY OF SCIENCES
_c
906 _a
_b
_c
_dJan - Dec,2008
999 _c471272
_d471272