00687cam a2200217K 4500007283372MiAaHDL20091123000000.0m d cr bn ---auaua900122s1908 pau bm 000 0 eng dsdr-wu6692780(OCoLC)20936723CLUCLUOCLCQQD341.E7M4May, Clarence Earl,1884-Oxygen ethers of the type--N:C. (OR), derived from certain nitrogen heterocycles ...By Clarence Earl May ...Easton, Pa.,Eschenbach Print. Co.,1908.51, [1] p.24 cm.Biography.Thesis (PH. D.)--Columbia University, 1908."Bibliography": p. [50]-51.Mode of access: Internet.Ethers.00728337220091120151427.020091123000000.020120815142302.02025-02-06T19:15:57Z2025-02-06T18:30:02ZSDR-WUUNKNOWNloader.pl-001-001BKsdr-wu6692780wuSDRWUwu.89097687149WU6692780WUWU20250206googlewu.890976871491908pdbibUS bib date1 < 1931