000 00320nam a2200121Ia 4500
008 221001s1994 xx 000 0 eng d
082 _a511.33 KHA
100 _aKhanna, Vijay K.
245 0 _aLattices and boolean algebras
260 _aNew Delhi
_bVikas Publishing House
_c1994
300 _aix, 148p.
942 _2ddc
_cBK
999 _c19834
_d19834