POSITION AND AZIMUTH FROM THE TIME RATE OF CHANGE OF ALTITUDE AND AZIMUTH OF THE SUNBENNETT GG.1980; SURV. REV.; GBR; DA. 1980; VOL. 25; NO 198; PP. 373-380; BIBL. 3 REF.Article

THE CALCULATION OF ASTRONOMICAL REFRACTION IN MARINE NAVIGATIONBENNETT GG.1982; J. NAVIG.; ISSN 0373-4633; GBR; DA. 1982; VOL. 35; NO 2; PP. 255-259; BIBL. 6 REF.Article

PRACTICAL THEODOLITE LEVELLING PROCEDURES.BENNETT GG; GROENHOUT KI.1976; AUSTRAL. SURVEYOR; AUSTRAL.; DA. 1976; VOL. 28; NO 4; PP. 226-228Article