Vo, Andreas Rathke at ESA is good and he recommended the following on ZP and BLP:
"Comment on Zero-point Fluctuations and The Cosmological Constant", Michel F.C., Astrophysical Journal, 466:660-667, 1996 New J. Phys. 7 127, Andreas Rathke: http://www.iop.org/EJ/njp *He is* a theoretician. Regards, R. ....................................... Website http://luna.bton.ac.uk/~roc1 .......................................
