00442nam a22001817a 4500 31759 MX-SIABUC 20260702210540.0 MX-SIABUC 050506s1953 mx # spa d PR6025 .A654 H47 Marshall, Bruce, 1899-1987 Héroes en la sombra México : Editorial Cumbre, S. A. 327 p. 20170102 10:06:52 1 31759 31759 0 0 000000 0 0 1 1 1 2017-01-02 0 PR6025 .A654 H47 42951 2026-07-02 21:05:40 1 2026-07-02 1