01068nam a2200313Ia 4500 114465 114465 135809 BIBL 20180908094111.0 870219s19891987sp ab 000100 spa 87005525 //r88 8401607701 EVLG spa rda spa eng BUCR v c R/910.9 I61 E Hacia lo desconocido : historia de los descubrimientosInto the unknown : the story of exploration / [prepared by National Geographic Book Service]. Barcelona : Plaza & Janés Editores , 1989. 336 p. ill. (some col.), maps. 29 cm. txt rdamedia n rdacarrier nc Includes index. Translation of : Into the unknown, the story of exploration. National Geographic Society U.S. 141296 G80 .I5818 1989 910/.9 19 Discoveries in geography Local 87323 lcc 6 G 80 .I5818 G 80 .I5818 0 0 lc 0 G_80_000000000000000__I5818_1989 0 mbl 191994 12 12 7 2016-05-27 205996 0 G80 .I5818 1989 50000001940336 2016-05-27 00:00:00 r:135809 z:NCC:D 6