| LEADER | 00668nam a2200205 a 4500 | ||
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| 008 | 050201s1968||||mx |||||||||||||||||spa|| | ||
| 020 | 0 | |a 9700504212 | |
| 041 | 0 | |a spa | |
| 082 | 0 | |a 501 |b K26c | |
| 100 | 0 | |a Kédrov, M.B. | |
| 700 | 0 | |a Spirkin, A. |e coautor | |
| 245 | 0 | 3 | |a La ciencia : |b iniciación / |c M.B. Kédrov, A. Spirkin. |
| 260 | |a México : |b Grijalbo, |c 1968 | ||
| 300 | |a 157 p. | ||
| 650 | |a Ciencia |x Filosofía |2 LEMB | ||
| 991 | |a No asignado | ||
| 992 | |a 05/03/2009 | ||
| 942 | |c BK | ||
| 999 | |c 111193 |d 111193 | ||
| 952 | |0 0 |1 0 |4 0 |6 501_000000000000000_K26C |7 0 |8 RVA |9 198187 |a 10 |b 10 |c RVA |d 2012-08-15 |i 10009642 |l 1 |o 501 K26c |p 10009642 |r 2017-02-21 |s 2017-02-20 |w 2012-08-15 |y RVA | ||