@book{439,
	author = {Cross, R.W./s and Cross,  R.W. },
	title = {20th century},
	publisher = {Purnell Reference Books},
	year = {1979},
	address = {London},
	note = {contents: 20Vols. Vol.1.(xii, 1-140p.) - v.2.(141-280p.) - v.3.(281-420p.) - v.4.(421-560p.) - v.5.(561-700p.) - v.6.(701-840p.) - v.7.(841-980p.) - v.8.(981-1120p.) - v.9.(1121-1260p.) - v.10.(1261-1400p.) - v.11.(1401-1540p.) - v.12.(1541-1680p.) - v.13.(1681-1820p.) - v.14.(1821-1960p.) - v.15.(1961-2100p.) - v.16.(2101-2240p.) - v.17.(2241-2380p.) - v.18.(2381-2520p.) - v.19.(2521-2660p.) - v.20.(2661-2832p.)}
}