@book{polya:1983:nic,
    author = {P{\'o}lya, George and Tarjan, Robert E. and Woods, Donald R.},
     title = {Notes on Introductory Combinatorics},
    series = {Progress in Computer Science},
    volume = {4},
 publisher = {Birkh\"auser Boston Inc.},
   address = {Boston, MA},
      year = {1983},
     pages = {v+192},
      isbn = {0-8176-3123-2; 0-8176-3170-4},
   mrclass = {05-01 (68R05)},
  mrnumber = {MR0741680 (85k:05001)},
mrreviewer = {Bernard M. E. Moret},
     zblno = {0632.05001}}