000 00264nam a2200121 a 4500
003 EIA
001 5349
942 _02
_2ddc
_cBK
245 _aGeometrías no euclidianas
260 _cc1966
008 141112s1966 ck r 000 u spa d
082 _a516.9
_bS232
_c3ed
999 _c6369
_d6369