TY  - JOUR
AU  - L. L. Pitaevskaya
AU  - B. E. Kanishchev
TI  - Ultrasound propagation velocity in nitrogen -- methane mixtures under pressures up to $4$ kbars
JO  - Doklady Akademii Nauk
PY  - 1976
SP  - 1345
EP  - 1346
VL  - 229
IS  - 6
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DAN_1976_229_6_a17/
LA  - ru
ID  - DAN_1976_229_6_a17
ER  -