Gaya APA
ASTM, . (1997).
ASTM D 5737 - 95 (reapproved 2000) Standard guide for methods for measuring well discharge .
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ASTM.
Gaya MLA
ASTM, .
"ASTM D 5737 - 95 (reapproved 2000) Standard guide for methods for measuring well discharge".
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ASTM,
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Diorama.