000 00293 a2200121 4500
100 _a
_d
245 1 _aCarnegie institution of Washington
260 _aWashington
_c1940
300 _a1-346 p.
440 _aWashington Carnegie Institutin. Year Book No. 39
942 _2udc
_cB
901 _a10517
999 _c37771
_d37771