TY  - BOOK
AU  - Trehan, B.K.
AU  - Trehan, Indu
TI  - Back to nature:  
T2  - Young India library
SN  - 8123763816
U1  - 577 
PY  - 2012///
CY  - New Delhi
PB  - National Book Trust
N1  - Includes bibliographical references
ER  -