Freestone, V. M. (1974). Field installation and maintenance of Capricorder 1598 (digital event water lever [i.e. level] recorder). Ministry of Agriculture and Rural Development.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रFreestone, V. M. Field Installation and Maintenance of Capricorder 1598 (digital Event Water Lever [i.e. Level] Recorder). [Kuala Lumpur]: Ministry of Agriculture and Rural Development, 1974.
एमएलए (8वां संस्करण) प्रशस्ति पत्रFreestone, V. M. Field Installation and Maintenance of Capricorder 1598 (digital Event Water Lever [i.e. Level] Recorder). Ministry of Agriculture and Rural Development, 1974.
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