000			00336nam a2200133Ia 4500
008			131223s9999 xx 000 0 und d
040			_aISI KOLKATA
041			_aEnglish
110			_aGreat Britain. Director General of the Ordinance survey
245			_aOrdinance survey
260			_aLondon _bAuthor
500			_amaps
942			_cBK
999			_c44728 _d44728