Friis, Robert H. <br/><br/>
Essentials of environmental health / 
Robert H. Friis. 
 - 2nd ed. 
 - Sudbury :  Jones & Bartlett Learning,  2012. 
 - xxvi, 442 p. :  ill. ;  28 cm. 
 - Essential public health .
 - Essential public health. .
<br/><br/><label>ISBN: </label>9780763778903  RM215.53 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Environmental Health Science.<br/>Health, Environmental.