00533cas|a2200181|i|45000010006000000050017000060080041000230350017000640350009000810400031000900410008001212100016001292450044001452600047001893100018002367100029002548660068002833421220260716124622.0040526u19uu19uu-ukmr p             eng d  atr2004634212  atr98  aPOZN 93/BJcPOZN 93/BJdIK0 aeng1 aAgriculture00aAgriculture /cMinistry of Agriculture.  aLondon :bHis Majesty's Stationery Office.  aMiesięcznik20aMinistry of Agriculture.  aBUPPbC-CPcC-267tVol. 56 No. 1 (1949) - Vol. 56 No. 12 (1949)