@BOOK{ Book!D - 99030028,
AUTHOR = "/ James MArtin,Martin",
TITLE = "Fourth -generation languages",
LIBRARY= "کتابخانه مرکزی و مرکز اسناد دانشگاه تهران",
SUBJECT = "Programming language (Electronic Computers)",
URL = "/book/99030028/Fourth-generation-languages/"}