000 00352nam a2200145 i 4500
008 010101s1991 sp g spa
020 _a8436804260
080 1 _a514.11
100 _aABBOT, P.
245 0 _aTRIGONOMETRIA
_c/ P. ABBOTT
260 _aMADRID
_b:PIRAMIDE
_c,1991
650 _aMATEMATICAS
997 _e2