TY  - BOOK
AU  - Haugen, Peter
TI  - Encyclopedia of 20th century science : : biology
SN  - 9788130924656 ( 7 vol. set)
U1  - 574.03 HAU (R-E) 
PY  - 2015///
CY  - New Delhi
PB  - Viva Books
KW  - Biology - Dictionaries and Encyclopedias
N1  - V. 1                                                 

; Including index
ER  -