@COMMENT { BibTex package created from National Library of Australia Catalogue https://catalogue.nla.gov.au } @Book{ nla.cat-vn4020887, author = { Johns Hopkins University. and United States. }, title = { The delineation and interpretation of the earth's gravity field [microform] }, publisher = { Dept. of Earth and Planetary Sciences, Johns Hopkins University ; National Aeronautics and Space Administration Baltimore, Md. : [Washington, D.C.? }, pages = { 1 v. }, year = { 1989 }, type = { Book, Microform }, language = { English }, subjects = { Gravitational fields. }, life-dates = { 1989 - 1989 }, catalogue-url = { https://nla.gov.au/nla.cat-vn4020887 }, }