00496nam a2200169Ia 4500003000400000020001500004040000800019082001600027100001900043245006800062260003700130300001300167901002000180942001100200952010000211999001500311LDD  a0851987052  cLDD  a630.23 P943  aMatthews, John 0aProgress in agricultural physics and engineeringcJohn Matthews  aOxonbC.A.B.Inter Nationalc1991  aX, 337p.  a314b12-03-1996  2ddccG  00102ddc407095483aLDDbLDDd2018-11-01l0o630.23 P943pG005117r2018-11-01w2018-11-01yG  c5484d5484