00510ntaaa2200181 45000030003000000050017000030080021000200400037000410820017000782450026000952500010001212600056001313000010001875000055001976500022002526500024002747000030002980120251027202658.00714s1973 ag 01 aAR-BaBNbspacAR-BaBNeaacrdRIC a428.2400 F91 aLessons in vocabulary a1 ed. aAnn Arbor : bUniversity of Michigan Press, cc1956 a113 p aTwenty lessons from an intensive course in English ainglés-texto de agramática inglesa aFries, Charles Carpenter