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1Published 1981### CRL customization ### ?> ### Add publisher and desc details ### ?>Sofia : The Center, 1981-v. ; 28 cm.“...Na︠t︡sionalen agrarno-promishlen sŭ︠i︡uz (Bulgaria). ︠T︡Sentŭr za nauchno-tekhnicheska i...”
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2by Lehova, Ekaterina### CRL customization ### ?> ### Add publisher and desc details ### ?>
Published 1983Sofia : Center for scientific, technical and economic information, 1983.83 p. : ill. ; 20 cm.“...Na︠t︡sionalen agrarno-promishlen sŭ︠i︡uz (Bulgaria). ︠T︡Sentŭr za nauchno-tekhnicheska i...”