TY - BOOK AU - Groten, Erwin. TI - Geodesy and the earth's gravity field SN - 3427783715 V.1 U1 - 526.1 PY - 1979/// CY - Dummlers Verlag PB - Ferd KW - Gravitational fields KW - Geodesy N1 - Includes bibliographical references and index; V.1. -- Principles and conventional methods. -- V.2- Geodynamics and advanced methods ER -