00242nam a2200109 a 450000500170000008200150001710000170003224500170004926000310006630000230009763000120012020251202164310.0  a428.2bPHY  aPhythian,B.A  aGood english  aTeach Yourself Booksc1985  a277 p.c24 cm.bPB  aEnglish