Pennsylvania :  Environmental law handbook / 
By the law firm of mattioni, mattioni & mattioni ; ed. by John mattioni ; aut. John mattioni 
 - 3 
 - 400 páginas 
 - State environmental law handbook series .
<br/><br/><label>ISBN: </label>0865872732 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Derecho ambiental--Estados Unidos--Pennsylvania
<br/><br/><label>LC Class. No.: </label>KFP354  / P45 1991