00757nam a2200253Ia 4500 89391 BIBL 20160527204454.0 731114s1972 sp b 000 0 spa 73301257 (OCoLC)00742560 DLC COO m.c. SER PUXA P115 .V3 Vallverdú, Francesc 287090 Local Ensayos sobre bilingüismo. Esplugues de Llobregat (Barcelona) Ariel [1972] 159 p. Ariel quincenal 74 54391 Local Includes bibliographical references. Bilingualism 62276 Local Catalan language History. 70659 Local Sociolinguistics 172082 Local 72773 72773 0 0 0 401_000000000000000_V195E 0 evl 371105 10 10 1 2016-05-27 141332 1 1 401 V195e 80000000711161 2017-04-19 00:00:00 2017-03-28 r:89391 z:NCC:D 6