| GMD | Dissertation |
| Language | English |
| Classification | B.A. 402 |
| Publisher | Hong Kong, The University of Hong Kong, Dept. of Geography & Geology, 1977 |
| Subject | PING SHANWater-supplyWater, UndergroundYuen Long 元朗 (Hong Kong) |
| Description | viii, [3], 194 leaves. illus. 30 cm |