00736nam0-22002531i-450-990001229150403321000122915FED01000122915(Aleph)000122915FED0100012291520000920d1971----km-y0itay50------baengNormal two-dimensional singularitiesby LAUFER H.B.Princeton [N.J.]Princeton University Press1971.Annals of mathematics studies71Laufer,Henry B.48505ITUNINARICAUNIMARCBK990001229150403321C-11-(7113281MA1MA1Normal two-dimensional singularities339726UNINAING01