00424cam a22001814a 4500003001000000005001700010008004100027040002500068041000800093044000700101080001300108100001800121245001100139260003800150300001100188650002400199655001900223AR-SsjUIB20250710162824.0250429s1977 ag 000 0 spa d aAR-SsjUIBcAR-SsjUIB0 aspa aag a681.3.061 aEkman, Torgil10aAlgol. aBuenos Aires :bEl Ateneo,c1977. a187 p. 7aInformática2lemb 7aLibro2unescot