001: 4035
003: Starlibrary PMS 4.5
005: 20180420
020: ^a0-906048-45-1
066: ^aN..M
072: ^amathematical models
082: ^a511
100: ^aN.Nicholson
240: ^aModelling of dynamical systemis
245: ^aModelling of dynamical systemis
260: ^c1981
650: ^a system analysis