00286nam a2200109Ia 450000500170000000800410001708200150005810000190007324500380009226000380013030000080016820260224041018.0260224s9999||||xx |||||||||||||| ||und||  a301.32 BAR  aBarclay, G.W.  0aTechniques of population analysis  aNew York: John Wiley & Sonsc1958  a311