Hoffer, William. <br/><br/>
Freefall / 
William Hoffer and Marilyn Mona Hoffer. 
 - New York :  St. Martin's Press,  c1989. 
 - 263 p. 
<br/><br/> "A Thomas Dunne book." 
<br/><br/><label>ISBN: </label>0312029195  
<br/><br/><label>LCCN: </label>66061154     
<br/><br/><label>Subjects--Topical Terms: </label><br/>Aeronautics--Accidents--Canada--l983.<br/>Aircraft accidents<br/>Aircraft accidents