@ARTICLE\{IMM1988-01547, author = "F. Nielson and H. Riis Nielson", title = "Two-Level Semantics and Code Generation", year = "1988", pages = "59-133", journal = "Theoretical Computer Science", volume = "56", editor = "", number = "", publisher = "", url = "http://www2.compute.dtu.dk/pubdb/pubs/1547-full.html" }