000 00319nam a2200145Ia 4500
100 _aAggarwal.A.
_913070
250 _a3rd Ed.
365 _cRs.
942 _cBK
245 _aA Text Book of Surveying and Levelling
260 _bNew India Publishing House
_c1987
082 _bAGG
300 _a357p.
999 _c56481
_d56481
300 _c20 cm.
655 _aC-00
041 _aeng
546 _aText in English