00454 2200169 4500001002100000005001500021008004100036035001900077041000800096082000900104100002900113245003400142250001200176260004600188300002400234650002600258INLIS00000000000360420210519134853210519||||||||| | ||| |||| || || 0010-0521003604 aGer0 aNONE0 aIng Habil Ludwig Schmitt00aLandwirtschaftliche forschung aBand 28 aFrankfurtbJ.D. Sauerlanders Verlagc1975 a173 p.: ill.; 24 cm 0aAGRICULTURAL RESEARCH