00309nam a2200121Ia 4500008004100000100001400041245004000055260004300095300000900138650001600147942000700163999001700170190216s9999||||xx |||||||||||||| ||und|| aJoshi K D 0aFoundations Of Discrete Mathematics bNew Age International Publishersc1989 a748p aMathematics cBK c31355d31355