TY - BOOK AU - Patra H P AU - Mallick K TI - Geosounding principles : Time-verying geolectric soudings T2 - Methods in geochemistry and geophysics; 14A-14B U1 - C3:(H), M0 PY - 1980/// CY - Amsterdam PB - Elsevier Scientific Publishing KW - Acoustics KW - Sound KW - Physics ER -