000 00350nam a2200121Ia 4500
008 140113s9999 xx 000 0 und d
082 _a631.2:728.94 L0
100 _a"Britain-Ministry of Agric., Fisheries & Food"
245 _aGlasshouse heating sytems (Mechanisation leaflet No. 27)
260 _a1970
_bHMSO
_cLondon
300 _a11
942 _cBK
999 _c58229
_d58229