- Inventory number: 7294
- Language: en
- Type: b
- Call number: 628.1
- Author number: n331
- Title: contributions to our knowledge of fresh wafer algae of egypt/part
- Author: el-nayal,a.a
- Place of publication and publisher: cairo:imprimerie misr
- Publication date: 1936
- Pages: 31
- Series: bulletin of the faculty of science,9
- Notes: include figure illustration
- Subject: sanitary and municipal engineering-water supply
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