761) courts long have cited federal cases when ruling on issues involving the work product doctrine in step cases. See, e.g. Balt. Transit Co. Mezzanotti, 227 Md. 8, 14.p. 2, 174 A.2d 768 (citing Hickman I Taylor, 329 U.S. 495, 67 S.Ct. 385, 91 L.Ed. 451 (1947) as authority in in- terpreting the work