00310nam a2200121Ia 4500008004100000041000800041082001400049100001900063245001400082250001400096260005600110650002200166230711s9999||||xx |||||||||||||| ||und||  aENG  a624bNA-S  aNarinder SIngh 0aSurveying  a1st . Ed.  c1994aNew DelhibTata McGraw Hill Education Limited  aCivil Engineering