M. Nawawy

Time dependent chemical study of contracting interstellar clouds. I. Abundances of nitrogen- and carbon-bearing molecules

B. G. Ateya, M. Amin, A. Aiad, 1995 .

Time dependent chemical study of contracting interstellar clouds. III. the charge distribution in interstellar clouds

B. G. Ateya, M. Amin, A. Aiad, 1995 .

Time dependent chemical study of contracting interstellar clouds. II. abundances of oxygen- and sulphur-bearing molecules

B. G. Ateya, M. Amin, A. Aiad, 1995 .