Phys. Lett. A

1 .

Phonon spectrum of superfluid helium

S. Havlin, M. Luban

Phys. Lett. A

42 ,

133

1974

5 .

Transverse piezoelectric properties of KH $ _2$ PO $ _4$ type crystals

E. Litov, S. Havlin

Phys. Lett. A

47 ,

57

1974

7 .

The transverse dielectric properties of KH $ _2 $ PO $ _4 $

S. Havlin, E. Litov, H. Sompolinsky

Phys. Lett. A

51 ,

33

1975

8 .

The anomalous temperature dependence of the frotonic E-mode in KDP-type crystals

S. Havlin, E. Litov, H. Sompolinsky

Phys. Lett. A

53 ,

41

1975

14 .

Central E-mode and transverse dynamical properties of KDP-type crystals

S. Havlin, H. Sompolinsky

Phys. Lett. A

57 ,

171

1976