Van der Kamp, Garth S. J. P Periodic flow of groundwater : a systematic study of wave propagation under confined, semoconfined and unconfined flow conditions / Garth S. J. P. van der Kamp - Amsterdam : Rodopi, 0 - 121 p. : ill, ; 23 cm. Bibliography: p. 119-121. LCCN: 73-090103 Subjects--Topical Terms: Groundwater flow