00363nam a2200145Ia 4500008004100000020001500041041001200056082001100068100001700079245004900096250000800145260003700153300000800190650001900198221030s9999    xx            000 0 und d  a8125916536  aEnglish  a105.23  aV. K. Khanna 0aLattices & Boolean Algebrascby V. K. Khanna  a2nd  bVikas Pub HouseaNew Delhic2009  a156  aBE Mathematics