000 00245nam a2200085 4500
080 _a512.831
_bSEN.73
245 _aNon-negative matrices; an introduction to theory and applications
100 _aSeneta, E
260 _aLondon
_bGeorge Allen & Unwin Ltd.
_c1973
300 _ax+214p
999 _c25822
_d25822