This is an Example of a Title with only the Main Words in Capitals Author Institute or Department (optional), University or College City and Country Abstract Here is the text of the abstract, if there is one. If there is no abstract there should he a space here equivalent to three lines. 1 Introduction (example of 2nd-level heading) The rapid expansion in wide area and local area networking has led to the establishment of a global internetwork linking millions of systems . Through this network a limited range of basic network functions are available. 1.1 Prevention of Virus Attack (example of a 3rd-level heading) Viral infection can be prevented by controlling the ingress of viral material into the controlled environment which represents the company computers. Such environments can be broad, encompassing the entire company (including PCs removed by the user for home working), or restricted, covering a minimal range of PCs in a controlled access and closely supervised area . 1.1.1 Physical Access Constraints (example of a 4th-level heading) The most effective way to prevent viral code spreading is to isolate systems physically and electronically, then to control the movement of viral code *. Viral Infection. This is a 5th-level heading, indicated by a line space above with the heading in normal type, not indented. The text runs on in normal roman type. References 1. Mehlhorn K. Data structures and algorithms, vol 1, Sorting and searching. Springer Berlin Heidelberg New York, 1984 2. de Kleer J. An assumption-based TMS. Artificial Intelligence 1986; 28:127-162 * For further information please refer to page 48 Appendix A.1 Definition Theorem 2.1. Whether a point z is internal to a simple N-gon P can be determined in O(N) time, without pre-processing. A.2 Equation S x1 1 x2 2 x3 y1 1 y 2 1. y3 1 (1) A.3 Picture and Caption A Figure Figure 1. Caption for a figure. A.4 Table Table I. Caption for a table Column Heading a table item Column Heading a table item A.5 Program ——————————————————————————————————————————————————————— for i:=0 to 100 do array[i] := i; ——————————————————————————————————————————————————————— A.6 List • • Item 1; Item 2.