00478nam a2200157Ia 4500001001000000003000500010008004100015010001100056040000900067245008500076260003300161300001000194440002400204650004800228710004400276Para_4586CHAP220125s1943    xx            000 0 und d  a203067  cCHAP  aOregon apple and pear spray program  /c Oregon State System of Higher Education  aCorvallis, Oregon  :b OSSHE  a16 p.  aExtension Bull; 584  aAspersión x Efecto en árboles frutales  aOregon State system of Higher Education