00687nam a2200253Ia 4500 87791 BIBL 20200715171245.0 900928s1979||||pr |||||||||||00010|spa|| 78031336 0847727432 1.85 (OCoLC)22506880 DLC DLC nwpr--- PUXA QC97 .A26 389.152 L864s López González, Emilio Salvador Local 247533 El sistema métrico Emilio LópezGonzález. 1. ed. Ponce s.n. 1979. v, 81 p. Metric system Study and teaching Puerto Rico. 135763 Local 71356 71356 0 0 ddc 0 P__R__530_800000000000000_A_185_A_V 0 abpr 368821 1 1 B 2016-05-27 139202 0 p.r. 530.8 a 185 a v. 60000010066238 2016-05-27 00:00:00 c. 4 r:87791 23