Salmon, William I. <br/><br/>Structures and abstractions:  a brief introduction to Turbo Pascal (5.x, 6.x.7.0)  William I. Salmon with the assistance of Edward L. Salmon  - Burr Ridge, IL.:  Irwin,  1994  - xvii, 564 pages;  26 cm. <br/><br/><label>ISBN: </label>0256159661 <br/><br/><label>LC Class. No.: </label>QA76.73  / P2S24 1994