000 00304nam a22001337a 4500
003 OSt
008 240216b |||||||| |||| 00| 0 eng d
082 _a371.4
_bA83M
100 _aNatryan,V.
245 _aMonograph on semester system
260 _aUniversities
_c1979
300 _a360
942 _2ddc
_cRFB
999 _c37215
_d37215