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 References and further reading
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 Intel 80286 and 80287 Programmer's Reference Manual.
 Intel Corporation.
 Santa Clara, CA.
 ISBN 1-55512-055-5
 Extending DOS (2nd Edition). Ray Duncan et al.
 Addison Wesley Publishing Company, Inc.
 Reading, MA.
 ISBN 0-201-56798-9
 Undocumented DOS. Andrew Schulman (ed).
 Addison Wesley Publishing Company, Inc.
 Reading, MA.
 ISBN 0-201-57064-5
 DOS Protected Mode Interface Specification 1.0.
 Intel Corporation.
 Santa Clara, CA.
 Intel Order No.240977-001
 An Introduction to the DOS Protected Mode Interface.
 Intel Corporation.
 Santa Clara, CA.
 Intel Order No.240787-003

 Microsoft Developer Network Library.
 Microsoft Corporation.
 Redmond, WA.