Title: Exploring the Spectrum
Author: Philip S. Callahan

New book: ships from United Kingdom via airmail with tracking, delivered by USPS, usual timescale around 2 weeks.

Publication Date: Jun-01-1994.
Binding: Paperback.
Pages: 178.
Dimensions (LxWxH): 0.75 x 6.00 x 9.00 (inches).