000 00307nam a2200145Ia 4500
008 220421s9999||||xx |||||||||||||| ||und||
020 _c325/-
040 _aET
100 _aAGOR R
245 0 _aADCANCED SURVEYING
260 _bKHANNA PUB.
_aNEW DELHI
300 _a800
500 _a35494
942 _cBK
999 _c41509
_d41509