TY  - BOOK
AU  - Paterson, N. R.
ED  - United Nations
TI  - Portable facsimile seismograph equipment and its application
PY  - 1967///
CY  - M.
KW  - Москва
KW  - Гн-671
KW  - rubbk
N2  - Библиогр.: с. 33
ER  -