(NlABORATORNO(B-(NPRAKTI^ESKIE ZANQTIQ PO PO^WOWEDENI@s (NDLQ AGRARNYH SPECIALXNOSTEJs - (NaLEKSANDROWA(B,(Nl(B. (Nn(B.s (Nl@DMILA nIKOLAEWNAs; (NnAJDENOWA(B,(No(B. (Na(B.s (NoLXGA aLEKSANDROWNAs ((Nl(B.s (NaGROPROMIZDATs, 1986)