000 00357nam a2200157Ia 4500
008 170101s1949 xx 000 0 und d
082 _a513.1 W29P
100 _aWELCHONS, A.M.
245 0 _aPlane geometry
250 _aRev. ed.
260 _bBoston
_c1949
300 _a550p
650 _aGEOMETRY, PLANE
653 _aGEOMETRY, PLANE
942 _2ddc
_cB
999 _c8286
_d8286