000 00290 am a2200121 a 4500
100 1 _aThomas, P.H.
245 1 _aBlack spot control
260 _aTasmania
_c1925
300 _a1-6 p.
942 _2udc
_cB
440 _aTasmania Department of Agriculture. Bulletin No. 116
901 _aS50999
999 _c108380
_d108380