GEETA SUMBALI*, YASHPAUL SINGH and. 2008. “Patulin and Citrinin Production in Apple and Pear Fruits by Penicillium Expansum Strains Collected from Jammu”. Indian Phytopathology 61 (4): 471-77. https://epubs.icar.org.in/index.php/IPPJ/article/view/12860.