000 00466 a2200157 4500
020 _a0713126523; 0713126531
080 _a577.4:518.62
_bJ45I
245 1 _aIntroduction to systems analysis
_bwith ecological applications
_cby John N.R. Jeffers
260 _aLondon
_bEdward Arnold
_c1978
650 _aEcology
650 _aSystem Analysis
100 1 _aJeffers, John N.R.
300 _a198p.
040 _aIARI, New Delhi
901 _a152558
999 _c70955
_d70955