TY  - BOOK
AU  - Mader, Sylvia S.
AU  - 
ED  - 
ED  - 
ED  - 
ED  - 
SN  - 697102009
SN  - 2
PY  - 1991///];copyright 199146
CY  - Dubuque, IA
PB  - W.C. Brown
KW  - 
KW  - 2
KW  - 0
KW  - 6
KW  - 20
KW  - Biology
N1  - Includes bibliographical references and index; 5
ER  -