000 00380 a2200121 4500
080 _a518.61:301
_bR 644 D
245 1 _aDiscrete mathematical models with applications to social biological and environmental problem
_cby F.S. Roberts
260 _aNew Jersey
_bPrentice-Hall
_c1976
650 _aMathematical Models
100 1 _aRoberts, F.S.
_d
300 _a559 p.
901 _a143675
999 _c66500
_d66500