S. Hayat Salicylic Acid : A Plant Hormone - Dordrecht Springer 2007 - 401p S. Hayat & A. Ahmad: Salicylic Acid : A Plant Hormone. Dordrecht. Springer, 2007. 1-4020-5183-2--(581.1927HAY) ENGLISH ISBN: 1-4020-5183-2 Dewey Class. No.: 581.1927 / HAY