Good, Timothy. <br/><br/>
Alien base :  Earth's encounters with extraterrestrials / 
Timothy Good 
 - London :  Century,  1998 
 - 419 p., [16] p. of col. plates ;  24 cm. 
<br/><br/><label>ISBN: </label>0712678123 9780712678124 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Life on other planets<br/>Unidentified flying objects--Sightings and encounters