@BOOK{ Book!D - 77710189,
AUTHOR = "Ehrlich, Paul R.",
TITLE = "Ecoscience: population, resources, environment",
LIBRARY= "کتابخانه مرکزی و مرکز اطلاع رسانی دانشگاه فردوسی مشهد",
SUBJECT = "، Population,، Pollution,، Human ecology",
URL = "/book/77710189/Ecoscience-population-resources-environment/"}