@article{article,
title = {Gymnosperms of Sikkim, India},
author = {Srivastava, R.C.},
year = {1993},
journal = {Asia Life Sciences},
volume = {2},
number = {1},
pages = {71-87},
howpublished = "\url{https://eurekamag.com/research/008/750/008750852.php}"
}