Widdowson R W
Towards holistic agriculture : a scienctific approach R W Widdowson - Oxford: Pergamon, 1987. - 187p
Includes index and bibliography
eng
Agricultural ecology
630 / WIT
Towards holistic agriculture : a scienctific approach R W Widdowson - Oxford: Pergamon, 1987. - 187p
Includes index and bibliography
eng
Agricultural ecology
630 / WIT