000 00331nam a2200133 i 4500
008 991231s1996 sp g spa
020 _a8481640964
080 1 _a165
100 _aVELARDE, Julián
245 0 _aEL AGNOSTICISMO
260 _aMADRID
_b:TROTTA
_c,1996
997 _e2