Maintenance of the middle-latitude nocturnal D-layer by energetic electron precipitation Walther N. SpjeldvikRichard M. Thorne OriginalPaper Pages: 497 - 508
A numerical determination of the effect of electric fields and charges on the efficiency with which cloud drops and small raindrops collide with aerosol particles S. N. Grover OriginalPaper Pages: 509 - 520
The electrostatic force between a charged conducting sphere and a charged dielectric sphere in an arbitrarily oriented external electric field S. N. Grover OriginalPaper Pages: 521 - 539
On the quasi-steady approximation for evaporating and condensing water drops in air M. J. Manton OriginalPaper Pages: 541 - 556
Monitoring de la Pollution Atmosphérique au-dessus d'un Site Urbain par mesures Lidar H. BardeauA. CostecaldeJ. Fontan OriginalPaper Pages: 557 - 569
Size distribution models of fog and cloud droplets and their volume extinction coefficients at visible and infrared wavelengths Francesco TampieriClaudio Tomasi OriginalPaper Pages: 571 - 586
A note on mean thermodynamic instability of northern tropical atmosphere S. S. Singh OriginalPaper Pages: 587 - 592
Dynamic initialization for barotropic flow crossing a barrier Suez Bitencourt Rissi OriginalPaper Pages: 593 - 603
On the displacements produced in a porous elastic half-space by an impulsive line load. (Non-dissipative case) S. Paul OriginalPaper Pages: 605 - 614
On the disturbance produced in a semi-infinite poroelastic medium by a surface load S. Paul OriginalPaper Pages: 615 - 627
A note on wave propagation in granular medium Rabindra Kumar Bhattacharyya OriginalPaper Pages: 639 - 646
The influence of lateral variations on seismic refraction interpretation B. L. N. Kennett OriginalPaper Pages: 647 - 652
A numerical study of the topographic effect on electromagnetic fields in a three-dimensional conductivity model V. RamaswamyF. W. JonesH. W. Dosso OriginalPaper Pages: 653 - 662
Optical filtering of airborne and ground magnetic data M. K. SeguinH. H. Arsenault OriginalPaper Pages: 663 - 683
Relations entre contraintes tectoniques et propriétés magnétiques des roches volcaniques permiennes de la vallée du Guil (briançonnais, Alpes Françaises) Bernard Henry OriginalPaper Pages: 685 - 700
Contributions to the spectral theory of seismic sources and determination of the parameters of earthquake foci Dumitru EnescuAnca Georgescu OriginalPaper Pages: 701 - 710
Dynamics of fault growth — A physical basis for aftershock sequences B. T. Brady OriginalPaper Pages: 727 - 739
