Excusions :  exploring earth's environment / 
Michael Kelly ...[et al. ]. 
 - Upper Saddle River ,RJ :  Prentice -hall,  2000. 
 - 200 p.:  ill.; 
<br/><br/><label>ISBN: </label>0130962627 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Excursions 
<br/><br/><label>LC Class. No.: </label>G3201 .E93K45 2000