TY  - BOOK
AU  - Cheng,Thomas C.
TI  - Symbiosis: organisms living together 
SN  - 0852261152 :
U1  - 574.55 
PY  - 1970///]
CY  - New Delhi
PB  - Wiley Eastern
KW  - Symbiosis
N1  - "A Biological sciences curriculum study book"; Includes bibliographical references and index
ER  -