NATO Advanced Study Institute on Metal Speciation in the Environment & Broekaert, J. (1990). Metal speciation environment: Proceedings. Springer-Verlag.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNATO Advanced Study Institute on Metal Speciation in the Environment और J.A.C Broekaert. Metal Speciation Environment: Proceedings. Berlin: Springer-Verlag, 1990.
एमएलए (9वां संस्करण) प्रशस्ति पत्रNATO Advanced Study Institute on Metal Speciation in the Environment और J.A.C Broekaert. Metal Speciation Environment: Proceedings. Springer-Verlag, 1990.
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