00433nam^a2200169^a^450000100100000000500170001000800410002704000240006804100080009208200130010010000190011324500560013225000110018826000310019930000180023099900150024800000140420260502230103.0^^^^^^s1969||||enk|||||||||||||||e|spa|d  aANC-BCbspacANC-BC  aeng04a425 HERs1 aHerbert. A. J.14aThe structure of Technical English /cA. J. Herbert  a4a. ed  aLondres :bLongmans,c1969  a200 p. :bil.  c1314d1314