00287nam a2200109Ia 4500008004100000082001500041100001900056245003700075250001100112260004600123300000800169190710s9999    xx            000 0 und d  a516.5 G65T  aGorakh, Prasad 0aText book of coordinate geometry  a7th ed  aAllahabadbPothishala Private Limitc1975  a279