000 00292nam a2200121Ia 4500
008 230303s9999 xx 000 0 und d
041 _aeng
082 _a511.33 KHA
100 _akHANNA New Delhi A
245 _aLattices and Boolean Algebras
260 _aN.Delhi
_bVikas Pub
365 _cRS
999 _c178895
_d178895