Authors:
Zimmer, H
Amer, A
Baumann, FM
Haecker, M
Hess, CGM
Ho, D
Huber, HJ
Koch, K
Mahnke, K
Schumacher, C
Wingfield, RC
Citation: H. Zimmer et al., Synthesis of 8-substituted xanthines and their oxidative skeleton rearrangement to 1-oxo-2,4,7,9-tetraazaspiro[4,5]dec-2-ene-6,8,10-triones, EUR J ORG C, (9), 1999, pp. 2419-2428
Authors:
El-Didamony, H
Amer, A
Heikal, M
Shoaib, M
Citation: H. El-didamony et al., Effect of calcium acetate as accelerator and water reducer on the properties of silica fume blended cement, CERAM-SILIK, 43(1), 1999, pp. 29-33
Citation: Em. Nour et al., Spectroscopic investigation on charge transfer complexes formed in the reaction of pi-electron acceptors with the donor cyclic base 1,4,10,13-tetraoxa-7,16-diazacyclooctadecane, SPECT LETT, 32(1), 1999, pp. 115-124