J. B. Kaler

Astronomy: Fundamentals and Frontiers, 2nd edition; Concepts of Contemporary Astronomy; Principles of Astronomy: A Short Version; and The Science of Astronomy

P. W. Hodge, R. Jastrow, Richard Berendzen, 1975 .

A photometric survey of compact and selected planetary nebulae.

J. B. Kaler, J. Kaler, 1983 .