00492cam a22002052a 4500 023940 AR-FADEU 311216n1973####xxu####################dd 84-206-2050-5 146.4 W831 BDT Wittgenstein, Ludwig Tractatus Logico-philosophicus Madrid Alianza 1973 223 p Alianza universidad 50 FILOSOFIA-LENGUAJE/BDT/ BDT 29630 29630 0 0 0 0 BDT AR-FADEU AR-FADEU BDT 2017-02-22 20891 0 146.4 W831 20891 2017-02-22 00:00:00 2017-02-22 BDT