00832nas 2200313-a 450 991013459930332120191203071853.82327-7548(DE-599)ZDB2618515-5(OCoLC)571136622(CKB)110992357272272(CONSER)--2011250831(EXLCZ)9911099235727227220100325b19131942 --- aengurbn||||||abpurbn||||||adatxtrdacontentcrdamediacrrdacarrierSigma Xi quarterlyChampaign, Ill. Society of the Sigma Xi1913-19420096-977X Periodicals.fast371.8545JOURNAL9910134599303321Sigma Xi quarterly2237986UNINA