Locally flat embeddings of 3-manifolds in S4. J.A.Hillman. The University of Sydney. Email address: jonathan.hillman@sydney.edu.au. Contents. Preface vii. Chapter 1. Preliminaries 1. 1.1. Groups 1. 1.2. Homological group theory 1. 1.3. Bilinear
1958; Willingham et al. 1959: Rickes ec al. 1962). Despite this relatively long history, commercial exploitation has only been significant during the last decade. ... ec:in. Depressed growth and t i b i a 1 a s h.