| GMD | Dissertation |
| Language | English |
| Classification | B.A. 288 |
| Publisher | Hong Kong, The University of Hong Kong, Dept. of Geography & Geology, 1974 |
| Subject | FARM MECHANIZATIONIRRIGATIONYuen Long 元朗 (Hong Kong) |
| Description | v,137 leaves, illus. (fig. in pocket) 3l cm |