@book{29331,
	title = {Agrophysical bases of soils and cultivated plants productivity =},
	year = {1990.},
	series = {Zeszyty Problemowe Postępów Nauk Rolniczych ;},
	address = {Warszawa,},
	url = {http://koha.tu.koszalin.pl/cgi-bin/koha/opac-detail.pl?biblionumber=29331}
}