Sums of even powers of real linear forms, Mem. Amer. Math. Soc., Volume 96, Number 463, March, 1992 (MR 93h.11043) is now out of print.

I have scanned the chapters (of the preprint) separately for easy downloading.

0. Table of Contents

1. Chapter 1 -- Introduction and Overview

2. Chapter 2 -- Preliminaries

3. Chapter 3 -- Cones of n-ary m-ics and their duals

4. Chapter 4 -- Representations as sums of m-th powers

5. Chapter 5 -- Binary forms and ternary quartics

6. Chapter 6 -- Moment problems

7. Chapter 7 -- Quadrature problems

8. Chapter 8 -- Representations of hn,m

9. Chapter 9 -- Minimal representations of hn,m

10. Chapter 10 -- Further questions & Chapter 11 -- Bibliography