-effect due to wave reflection from the core mantle boundary

-FeOOH · Cl n (akaganéite) and Fe 1-x O (wüstite) in hot brine from the Atlantis II Deep (Red Sea) and the uptake of amino acids by synthetic -FeOOH · Cl n

-Generic Computability, Turing Reducibility and Asymptotic Density

-tube.

.

. (Geophysical Discussion

. . . and martian surfaces

. Croix, with an altitude, azimuth and transit circle

. Dollond, Optician to his Majesty, 59 St. Pauls Church Yard, London

... and more eclipses!

... and Weinberg revisited

... as Europe plans solo comet trip

... aus gegebenem Anla?

... e il buio della notte divenne un mistero: breve storia del paradosso di Olbers

...and the View from Garching

...Soviet union almost there?

/A-X/ system of SiO in sunspots

/Ar-40/-/Ar-39/ ages and irradiation history of Luna 24 basalts

/Ar-40/-/Ar-39/ dating of inclusions from IAB iron meteorites

/C-13/O self-absorption in the Rho Ophiuchi dark cloud