Author:

Raghubanshi,A.S.;Singh,J.S.;Venkatachala,B.S.

Year:

1991

Title:

Environmental change and biological diversity: present, past and future.

Reference:

Raghubanshi,A.S. et al. (1991) Environmental change and biological diversity: present, past and future. The Palaeobotanist Vol. 39 # 1 P. 86- 109

Google Academy:

try to search by title in english