Symposium on Review of Nitrogen in the Tropics with Particular Reference to Pastures. (1962). A review of nitrogen in the tropics with particular reference to pastures: A symposium. Commonwealth Agricultural Bureaux.

Symposium on Review of Nitrogen in the Tropics with Particular Reference to Pastures. A Review of Nitrogen in the Tropics with Particular Reference to Pastures: A Symposium. England: Commonwealth Agricultural Bureaux, 1962.

Symposium on Review of Nitrogen in the Tropics with Particular Reference to Pastures. A Review of Nitrogen in the Tropics with Particular Reference to Pastures: A Symposium. Commonwealth Agricultural Bureaux, 1962.