@BOOK{ Book!D - 77784610,
AUTHOR = "Salmon, George",
TITLE = "A treatise on conic sections",
LIBRARY= "کتابخانه مرکزی و مرکز اطلاع رسانی دانشگاه فردوسی مشهد",
SUBJECT = "Plane ، Geometry, Analytic,، Conic sections",
URL = "/book/77784610/A-treatise-on-conic-sections/"}