000 00313nam a2200145Ia 4500
008 220421s9999||||xx |||||||||||||| ||und||
020 _c335/-
040 _aET
100 _aAGOR R
245 0 _aSURVEYING AND LEVELLING
260 _bKHANNA PUB.
_aNEW DELHI
300 _a1216
500 _a35501
942 _cBK
999 _c41516
_d41516