253.		Valorização dos efluentes térmicos na agricultura [[1 desdobrável]] / EDP, Central Térmica de Setúbal Data: [19?]
254.		Philips. Lighting technology in horticullture Data: [s.d.]
255.		Philips. Light in agriculture Data: [s.d.]
256.		Philips. Artificial ligth and the grower an aid to bigger profits Data: [s.d.]
257.		Philips. Lighting schemes for plant irradiation Data: [s.d.]
258.		Philips. Luminaires pour l`irradiation des plantes Data: [s.d.]
259.		Green acres : artists farming fields, greenhouses and abandoned lots / Sue Spaid Autor: Spaid, Sue
260.		Taking the country's side : agriculture and architecture / Sébastien Marot Autor: Fabi, Ambra