21 pages. Paper aged and slightly discolored. Some minor creases. Minor pencil underlining on pages 6, 11, 13. Excellent source for study. Poignent research material for students and academics. Delves into this subject with fresh ideas and thoughts, a good read. Interesting subject material. Ideal for research and self educaiton. A "must have" book for those wanting to read further, in depth, on this partular area of interest. Size: Small Book. Bookseller Inventory # 5004123
Title: The Unit System of Judging Planetary ...
Publisher: David McKay Company 1934
Binding: Paperback-Stapled Booklet
Book Condition: Good, Some Edgewear
Dust Jacket Condition: No Dust Jacket
Book Type: Previous Owner Name/marks
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