Steel, Duncan <br/><br/>
Rogue asteroids and doomsday comets :  the search for the million megaton menace that threatens life on earth / 
Duncan Steel 
 - N.Y. :  Wiley,  1995 
 - 308 p. 
<br/><br/><label>ISBN: </label>0471193380 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Asteroids‰xPopular works<br/>Comets‰xPopular works.<br/>Extinction (Biology)‰xPopular works.<br/>Impact‰xPopular works.
<br/><br/><label>Subjects--Index Terms: </label>Sao chổi Thiên thạch Thảm hoạ thiên nhiên Tuyệt chủng 
<br/><br/><label>Dewey Class. No.: </label>363.34  / STE 1995