(meteorobs) Origin of ZHR is elusive

[meteors at eclipse.net]

Richard.

I found this bibliography on the IMO web pages referring to ZHR:

Sorry it's kind of long.

KRESAK L. (1954):
A NOMOGRAM FOR COMPUTING THE ZENITHAL HOURLY RATES OF METEOR SHOWERS
Bull. Astron. Inst. Czechoslov. 5, 120-129
ZHR

MASON J. (1982):
REDUCTION OF METEOR DATA
J. British Astron. Assoc. 92, 90-90
ZHR

BALDACCHINO G. (1981):
Z.H.R.'S ONDER DE LOUPE
WGN, Journal of the IMO 9, 15-19
ZHR

STEYAERT C. (1981):
UURFREQUENTIES-MAGNITUDEVERDELINGEN-PERSOONLIJKE KOEFFICIENTEN
WGN, Journal of the IMO 9, 20-21
ZHR - METEOR MAGNITUDE DISTRIBUTION

STEYAERT C. (1981):
OPMERKING BIJ DE BESPREKING VAN DE BEKOMEN VERSCHILLEN IN ZHR'S
WGN, Journal of the IMO 9, 4-5
ZHR

WOOD J. (1981):
DE ZENITHALE UURFREQUENTIE
WGN, Journal of the IMO 9, 15-19
ZHR - ZENITH CORRECTION - LIMITING MAGNITUDE - SPORADIC POLLUTION

STEYAERT C. (1981):
DISPERSIE OP UURFREQUENTIE EN DE POISSON DISTRIBUTIE
WGN, Journal of the IMO 9, 23-24
ZHR

VERVLIET C. (1982):
BEGINNERS RUBRIEK, Z.H.R. BEPALING
WGN, Journal of the IMO 10, 82-85
ZHR

MCLEOD N. (1982):
THE LM-CORRECTION
WGN, Journal of the IMO 10, 146-146
LIMITING MAGNITUDE - ZHR

ROGGEMANS P. (1982):
NASCHRIFT BIJ HET ARTIKEL VAN MCLEOD N.
WGN, Journal of the IMO 10, 147-147
LIMITING MAGNITUDE - ZHR

JOHANNINK CARL (1984):
ZHR BEPALINGE BIJ KLEINE UURFREQUENTIES; NUTTIG OF NIET?
WGN, Journal of the IMO 12, 175-178
ZHR

KOSCHACK RALF (1996):
ANALYZING THE ETA AQUARIDS.
WGN, Journal of the IMO 24, 5-6
ZHR - ERROR ZHR

Koschack R. (1995):
Analyses and Calculations
In Rendtel J., Arlt R., McBeath A. (eds.): Handbook for Visual Meteor
Observers., International Meteor Organization, Potsdam, 280-289
POPULATION INDEX - ZHR - LIMITING MAGNITUDE - ZENITH CORRECTION - ZENITH
ATTRACTION - ZENITH EXPONENT

Roggemans P. (1990):
The collection of visual observations
Proc. International Meteor Conf. '89, 58-61
DATABASES - SOFTWARE - ZHR

Bel'kovich O. (1992):
Visual Meteor Observations - What is the Use?
Proc. International Meteor Conf. Potsdam 1991, 27-29
FLUX DENSITY - POPULATION INDEX - MASS INDEX - ZHR

Trigo J.M. (1993):
Determination of Spatial Number Density from Photography
Proc. International Meteor Conf. Puimichel 1993, 77-84
SPATIAL NUMBER DENSITY - PHOTOGRAPHY - ZHR

Koschack R. (1995):
Single Body Theory and Zenith Correction Factor
Proc. International Meteor Conf. Belogradchik 1994, 31-43
ZENITH CORRECTION - ZENITH EXPONENT - POPULATION INDEX - ZHR

Arlt R. (1996):
Analysis of Minor Showers from the Visual Meteor Database
Proc. International Meteor Conf. Brandenburg 1995, 55-60
BOOTIDS A A - VIRGINIDS A - CYGNIDS K A - AQUARIDS K A - ZHR

Jenniskens P. (1994):
Meteor stream activity I. The annual streams
Astron. Astrophys. 287, 990-1013
ZENITH EXPONENT - SPORADIC BACKGROUND - RADIANT LIST - ZHR - PERSEIDS A -
GEMINIDS A - ORIONIDS A - QUADRANTIDS A - AQUARIDS D A - CRUCIDS A A -
VIGINIDS A - NORMIDS G A - SAGITTARIDS A - CYGNIDS K A - LYRIDS A -
TAURIDS A - URSIDS

Belkovich O.I.,Ishmukhametova M.G. (1997):
Comparison of Two Methods of Visual Meteor Observations
WGN, Journal of the IMO 25, 79-84
FLUX DENSITY - MASS INDEX - ZHR - POPULATION INDEX

Steyaert Christian (1989):
Letter: A double Perseid maximum in 1988?
WGN, Journal of the IMO 17, 172-172
STATISTICS - ZHR

Roggemans Paul (1989):
The Geminid Meteor Stream in 1988
WGN, Journal of the IMO 17, 229-239
GEMINIDS A 1988 - ZHR - STATISTICS - PERCEPTION COEFFICIENT

Hawkes R.L. (1990):
Video-Based Meteor Observation Procedures
WGN, Journal of the IMO 18, 152-158
VIDEO OBSERVATION ANALYSIS - ZHR

Koschack Ralf,Arlt Rainer,Rendtel Jürgen (1993):
Global Analysis of the 1991 and 1992 Perseids
WGN, Journal of the IMO 21, 152-167
PERSEIDS A 1991 - PERSEIDS A 1992 - ZHR - SPATIAL NUMBER DENSITY