@article{article,
title = {Studies on the biology and ecology of the pea moth-Laspeyresia nigricana Steph.= Grapholita (Cydia) nigricana Steph. (Lep., Tortricidae)},
author = {Kagan, F.},
year = {1969},
howpublished = "\url{https://eurekamag.com/research/014/692/014692762.php}"
}