000 00290 am a2200121 a 4500
100 1 _aOrr, J.B.
245 1 _aComposition of pastures
260 _aLondon
_c1929
300 _a1-39 p.
942 _2udc
_cB
440 _aPasture Great Bretain Empire Marketing Board No. 18
901 _aS58374
999 _c101362
_d101362