00397nam a2200157Ia 4500008004100000082001600041100001600057245002800073260003400101300000800135650001600143650001800159653001600177653002800193700001800221170901s2017    xx            000 0 und d  a519.9bS48A  aSingh, S.P. 0aAgricultural Statistics  aMeerutbRama Publishing House  a140  aMathematics  aPure Sciences  aAgriculture  aMathematical statistics  aVerma, R.P.S.