627/PAT/H 11487 11488 11489 11490 11491 11492 11493 11494 11495

Patra, K. C         Hydrology and water resources engineering / K. C Patra . – 2nd ed. . – New Delhi : Narosa, 2008         591p.         ISBN9788173198465 : RS. 380.00         1. Hydrology