000 00320nam a2200109Ia 45e0
008 181001s1951 xx 000 0 und d
100 _aKnight H.B.
245 0 _aSurveying and leveling for students
260 _aBombay
_bOxford IBH Pub.co.
_c1951
300 _a613
942 _2ddc
_cBK
999 _c1952
_d1952