R. Krotz

Chemical and physicochemical characterization of porous hydroxyapatite ceramics made of natural bone.

B. Nies, A. Göpferich, S. Joschek, 2000, Biomaterials.

PREPARATION OF AZULENOPSEUDOPHENALENONE (3H-BENZ(CD)AZULEN-3-ONE) AND AZULENOHYDROXYPSEUDOPHENALENONE (4,5-DIHYDRO-3H-BENZ(CD)AZULENE-3,5-DIONE)

R. Neidlein, W. Kramer, R. Krotz, 1985 .