000 00358pam a2200157a 44500
008 230515b1981 xxu||||| |||| 00| 0 eng d
020 _aNULL
041 _aENGL
082 _a511.3 / PET
100 _aR.PETER
245 _aRECURSIVE FUNCTIONS IN COMPUTER THEORY
250 _aN.D.
260 _aNULL
_bELLIS
_c1981
300 _a179 PB
650 _aNULL
999 _c629382
_d629382