00377cam a22000977a 4500008004000000082001500040245010000055260005000155300001000205700006400215180718b1958   xxu||||| |||| 00| 0 eng d  aZ29x42 Un3  aSome aspects of diary economicscby Ministry of Agriculture, Fisheries and Food, United Kingdom  aLondonbHer Majesty's Stationery Officec1958  a47+p.  aUnited Kingdom. Ministry of Agriculture, Fisheries and Food