00268cas a2200109 4500 100616n eng u 07393717 (Sirsi) a170155 TA174.J6M4 Journal Mathematical Design Vol.106,No.2,1985 9230 9230 0 0 lcc 0 0 MAIN MAIN SERIAL 0 TA174.J6M4 10621985 2019-08-12 00:00:00 1 2019-08-12 SERIAL