\input zb-basic \input zb-ioport \iteman{io-port 70594648} \itemau{White, Jon L.} \itemti{Constant time interpretation for shallow-bound variables in the presence of mixed SPECIAL/LOCAL declarations} \itemso{Symposium on LISP and Functional Programming, 196-200 (1982).} \itemcc{} \itemut{} \itemli{} \end