Salgare, S. (2007) “ Monitoring of herbicide (MH) toxicity by using pollen as indicators ­ Pollen of five cultivars of Petunlia axillaris BSP.: Further evidence of a criticism of Banerji and Gangulee (1937), Dharurkar (1971 - Ph.D. Thesis), Berg (1973), Brandt (1974”, Environment Conservation Journal, 8(1&2), pp. 9–16. doi: 10.36953/ECJ.2007.081202.