Low frequency observations of emission nebulae and their electron temperatures Yervant Terzian OriginalPaper Pages: 479 - 489
The department of defense Selenodetic Control System and the force function of the moon C. L. GoudasT. P. Higgins OriginalPaper Pages: 490 - 517
An investigation on H-R diagrams of globular clusters V. CastellaniP. GiannoneA. Renzini OriginalPaper Pages: 518 - 529
Convection in normal stars and metal-deficient stars K. S. Krishna Swamy OriginalPaper Pages: 552 - 563
Large-scale evolution of the lunar surface Luciano B. RoncaRichard R. Green OriginalPaper Pages: 564 - 578
Equilibrium spectra of secondary cosmic-ray positrons in the galaxy and the spectrum of cosmic gamma-rays resulting from their annihilation F. W. Stecker OriginalPaper Pages: 579 - 599