00353nam a2200097Ia 4500008004100000082005000041100005700091245007600148260002300224300000800247140113s9999    xx            000 0 und d  a"631.43:633.002.2""1972.1.3/5"" (082.2)   L5"  a"Britain, Agriculture, Fisheries & Fook (Min. of _)"  aSoil Physical conditions and crop production (Technical Bulletin No.29)  a1975bHMSOcLondon  a505