TY  - BOOK
AU  - Baer, Adela S.
TI  - Central concepts of biology
PY  - 1971///
CY  - New York
PB  - The macmillan company
UR  - http://krc.clri.res.in:80/cgi-bin/koha/opac-detail.pl?biblionumber=4883
ER  -