00450nam a2200109Ia 4500082001800000245014800018260005000166300001000216650003800226650003100264650004500295  a338.1072 INT; 0aIntroducing research results into practice: bproceedings of bilateral Bulgarian and American seminar on the introducing research into practice  aBulgariabBulgarian Academy of Sciencesc1987  a219P.  aAgriculture - Research - Bulgaria  aBulgaria - Economic policy  aIndustries - Economic aspects - Bulgaria