Entry Ziegler:1998:EIM from sigcse1990.bib

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BibTeX entry

@Article{Ziegler:1998:EIM,
  author =       "Uta Ziegler",
  title =        "Extending an iterator model for binary trees to
                 backtracking problems",
  journal =      j-SIGCSE,
  volume =       "30",
  number =       "1",
  pages =        "185--189",
  month =        mar,
  year =         "1998",
  CODEN =        "SIGSD3",
  DOI =          "https://doi.org/10.1145/274790.273756",
  ISSN =         "0097-8418 (print), 2331-3927 (electronic)",
  ISSN-L =       "0097-8418",
  bibdate =      "Sat Nov 17 16:56:29 MST 2012",
  bibsource =    "http://portal.acm.org/;
                 http://www.math.utah.edu/pub/tex/bib/sigcse1990.bib",
  abstract =     "Rasala [1] developed a design for an object-oriented
                 tree-iterator. This paper extends that design to
                 provide an iterator for backtracking problems. The
                 developed iterator explicitly uses a stack to store
                 partial solutions which must be evaluated and/or
                 extended. The discussed design can be used as a
                 teaching tool for recursion. Students often struggle
                 with this paradigm [2] since --- for their taste ---
                 too much is happening behind the scenes. Students can
                 explore the explicit stack of the backtracking iterator
                 after each recursion step. The design can be reused for
                 different domains, since it separates domain-specific
                 code from general iterator code. Solutions to the set
                 and the maze problems are shown.",
  acknowledgement = ack-nhfb,
  fjournal =     "SIGCSE Bulletin (ACM Special Interest Group on
                 Computer Science Education)",
  journal-URL =  "http://portal.acm.org/browse_dl.cfm?idx=J688",
}

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