भारत सरकार
पर्यावरण, वन और जलवायु परिवर्तन मंत्रालय
Government of India
Ministry of Environment, Forest and
Climate Change

भारतीय प्राणी सर्वेक्षण

Zoological Survey of India

Flower visiting flies of Kolkata and surroundings (Diptera : Insecta)
Mitra, Bulganin,  Banerjee, Dhriti,  Mukherjee, Manu,  Bhattacharya, K.  and  Parui, P.
pp 1 - 56 | April 2008
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