Johnson. (1983). Ground Water and Wells: Refference Book for the Water -Wells Industry. Jain.
Παραπομπή Chicago StyleJohnson. Ground Water and Wells: Refference Book for the Water -Wells Industry. Udaipur: Jain, 1983.
Παραπομπή MLAJohnson. Ground Water and Wells: Refference Book for the Water -Wells Industry. Jain, 1983.
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