000 00321pam a2200133a 44500
082 _a516.59
_bEd3
100 _aEdge, Wiliam Leonard
245 1 _aTHE THEORY OF RULED SURFACES
260 _aCambridge [Eng.]
_bThe University Press
_c1931
300 _a324
650 _aSurfaces
964 _gCIRC
997 _a70802 C
999 _c428227
_d428227