TY - BOOK ID - 139134543 TI - On the methodics of vibration seismic investigations of shallow depths : Proceed. 21st. Geophys. Sympos. 1976. AU - Forkmann, B. AU - Seitz, R. PY - 1977 PB - Budapest s.n. DB - UniCat UR - https://www.unicat.be/uniCat?func=search&query=sysid:139134543 AB - ER -