@BOOK{ Book!D - 99684701,
AUTHOR = "/ by Rene M. Gareau",
TITLE = "History of precise levelling in Canada and North American vertical datum readjustment",
LIBRARY= "کتابخانه پرديس 2 دانشکده‌های فنی دانشگاه تهران",
SUBJECT = "Surveying",
URL = "/book/99684701/History-of-precise-levelling-in-Canada-and-North-A/"}