000 00268nam a2200121Ia 4500
008 211209s1967 xx 000 0 und d
041 _aeng
082 _a526.9 N67 DAV/KEL
100 _aDAVIS
245 _aELEMENTRY PLANE SURVEYING
260 _c1967
300 _a574
999 _c13404
_d13404