Cells  : building blocks of life 
Alvin Silverstein and Virginia B. Silverstein. 
 - Englewood Cliffs ;  N.J., Prentice-Hall ;  1969. 
 - 60 p.   illus. (part col.)   22 cm. 
<br/><br/> include index 
<br/><br/><label>ISBN: </label>0139773649 
<br/><br/><label>LC Class. No.: </label>QH605  / .N38 1993