Kogan, F. Disaster Forewarning Diagnostic Methods and Management. SPIE Digital Library.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रKogan, Felix. Disaster Forewarning Diagnostic Methods and Management. SPIE Digital Library.
एमएलए (9वां संस्करण) प्रशस्ति पत्रKogan, Felix. Disaster Forewarning Diagnostic Methods and Management. SPIE Digital Library.
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