000 00238pam a2200109a 44500
082 _a523.84
_bK83E
100 _aKopal, Zdenek
245 1 _aCLOSE BINARY SYSTEMS
260 _a
_bChapman & Hall
_c1959
964 _gCIRC
997 _a3849 C
999 _c412328
_d412328