@article {55,
	title = {Application of beneficials on vegetable and ornamental plants under glass in Baden-W{\"u}rttembeerg in the year 1991},
	journal = {Gesunde Pflanzen},
	volume = {44},
	number = {6},
	year = {1992},
	pages = {198-204},
	author = {Albert, R.}
}
@article {60,
	title = {Successful biological control in ornamental plants - I. Poinsettias ( Euphorbia pulcherrima Willd. ex Klotzsch)},
	journal = {Gesunde Pflanzen},
	volume = {41},
	number = {11},
	year = {1989},
	pages = {389-395},
	author = {Albert, R. and Schneller, H.}
}
