00408nam a2200097Ia 4500008004100000050002100041100001600062245006800078247008800146264007600234230508s1971    xx            000 0 und d  aQA 533 R544 19711 aRider, Paul10aPlane and spherical trigonometry: bwith tables /cRider, Paul.  aPlane and spherical trigonometry: with tables_QA 533 R544 1971 c.1_Rider, Paul_1971  a[Place of publication not identified] : bMacmillan Publishers, c1971.