000 00343nam a2200133Ia 4500
008 130225s9999 xx 000 0 und d
100 _aWaterman, A.M.
245 _aSeptoria canker of poplars in the United States
260 _aWashington
300 _a1-24 p.
440 _aUnited States Department of A
901 _a43360
942 _cB
_2udc
999 _c8064
_d8064