APA Style

Wolpers, K.. (1977). Electroultra-filtration as means of a comprehensive soil analysis. A preliminary report about EUP analysis data of soil samples from oil palm estates in north-Sumatra . Pematang Siantar: MRS.

Chicago Style

Wolpers, K.. Electroultra-filtration as means of a comprehensive soil analysis. A preliminary report about EUP analysis data of soil samples from oil palm estates in north-Sumatra. Pematang Siantar: MRS, 1977. Hard Copy.

MLA Style

Wolpers, K.. Electroultra-filtration as means of a comprehensive soil analysis. A preliminary report about EUP analysis data of soil samples from oil palm estates in north-Sumatra. Pematang Siantar: MRS, 1977. Hard Copy.

Turabian Style

Wolpers, K.. Electroultra-filtration as means of a comprehensive soil analysis. A preliminary report about EUP analysis data of soil samples from oil palm estates in north-Sumatra. Pematang Siantar: MRS, 1977. Hard Copy.