@BOOK{ Book!D - 99682571,
AUTHOR = "/ edited by R.Q. Honaker and W.R. Forrest",
TITLE = "Advances in gravity concentration",
LIBRARY= "کتابخانه پرديس 2 دانشکده‌های فنی دانشگاه تهران",
SUBJECT = "Gravity concentrators.",
URL = "/book/99682571/Advances-in-gravity-concentration/"}