000 00367nam a2200169Ia 4500
008 190201s9999 xx 000 0 und d
020 _a8122400906
082 _a5
082 _b113 LE
100 _a"LEVI, LEON S."
245 0 _aDISCRETE STRUCTURE OF CO
250 _a1980
260 _aNEW DELHI
260 _bWILEY EASTERN
260 _c1994
300 _a310
999 _c44368
_d44368