Jaroslav Balek Groundwater resources assessment - Amsterdam Elsevier Publishing Co 1989 - 249p Jaroslav Balek: Groundwater resources assessment. Amsterdam. Elsevier Publishing Co, 1989. 0-444-98898-5--(551.49BAL) ENGLISH ISBN: 0-444-98898-5 Dewey Class. No.: 551.49 / B A L