00446nam a2200157Ia 4500001000900000003000500009008004100014010001100055040000900066100001600075245010500091260005400196300000900250650001200259700001700271Para_143CHAP220125s1987    xx            000 0 und d  a198993  cCHAP  aSmith, A.M.  aWhite apple leafhopper  :b pest management program for apple series  /c by M.A. Smith and K.W. Ker  aOntario, Canada  :b Ministry of Agriculture Food  a3 p.  aManzano  aI. Ker, K.W.