共 50 条
- [1] POSITIVE DISPLACEMENT BOREHOLE PUMPS FOR SMALL-SCALE WATER ABSTRACTION WATER SERVICES, 1982, 86 (1035): : 230 - 230
- [2] Sand abstraction systems WATER AND SANITATION FOR ALL: PARTNERSHIPS AND INNOVATIONS: SELECTED PAPERS OF THE 23RD WEDC CONFERENCE, 1998, : 113 - 116
- [6] MEASUREMENT OF SMALL-SCALE LAMINAE IN SAND-SIZED SEDIMENTS JOURNAL OF SEDIMENTARY PETROLOGY, 1986, 56 (04): : 547 - 548
- [10] A PORTABLE QUERY LANGUAGE FOR SMALL-SCALE SYSTEMS MICROPROCESSING AND MICROPROGRAMMING, 1988, 23 (1-5): : 299 - 304