Kennedy, W. (1993). Campanian and Maastrichtian ammonites from the Mons Basin and adjacent areas (Belgium).
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रKennedy, W. Campanian and Maastrichtian Ammonites from the Mons Basin and Adjacent Areas (Belgium). 1993.
एमएलए (9वां संस्करण) प्रशस्ति पत्रKennedy, W. Campanian and Maastrichtian Ammonites from the Mons Basin and Adjacent Areas (Belgium). 1993.
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